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class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>High-performance computing (HPC) servers</span> </div> </a> <ul id="toc-High-performance_computing_(HPC)_servers-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Windows_Essential_Business_Server" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Windows_Essential_Business_Server"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Windows Essential Business Server</span> </div> </a> <ul id="toc-Windows_Essential_Business_Server-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Windows_Home_Server" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Windows_Home_Server"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Windows Home Server</span> </div> </a> <ul id="toc-Windows_Home_Server-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Windows_MultiPoint_Server" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Windows_MultiPoint_Server"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Windows MultiPoint Server</span> </div> </a> <ul id="toc-Windows_MultiPoint_Server-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Windows_Small_Business_Server" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Windows_Small_Business_Server"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.5</span> <span>Windows Small Business Server</span> </div> </a> <ul id="toc-Windows_Small_Business_Server-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Device_versions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Device_versions"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Device versions</span> </div> </a> <button aria-controls="toc-Device_versions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Device versions subsection</span> </button> <ul id="toc-Device_versions-sublist" class="vector-toc-list"> <li id="toc-ARM-based_tablets" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#ARM-based_tablets"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>ARM-based tablets</span> </div> </a> <ul id="toc-ARM-based_tablets-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Mixed_reality_and_virtual_reality_headsets" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Mixed_reality_and_virtual_reality_headsets"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Mixed reality and virtual reality headsets</span> </div> </a> <ul id="toc-Mixed_reality_and_virtual_reality_headsets-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Surface_Hub" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Surface_Hub"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>Surface Hub</span> </div> </a> <ul id="toc-Surface_Hub-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Windows_XP-based_tablets" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Windows_XP-based_tablets"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>Windows XP-based tablets</span> </div> </a> <ul id="toc-Windows_XP-based_tablets-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Embedded_versions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Embedded_versions"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Embedded versions</span> </div> </a> <button aria-controls="toc-Embedded_versions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Embedded versions subsection</span> </button> <ul id="toc-Embedded_versions-sublist" class="vector-toc-list"> <li id="toc-Windows_Embedded_Compact" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Windows_Embedded_Compact"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Windows Embedded Compact</span> </div> </a> <ul id="toc-Windows_Embedded_Compact-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Windows_Embedded_Standard" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Windows_Embedded_Standard"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Windows Embedded Standard</span> </div> </a> <ul id="toc-Windows_Embedded_Standard-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other_embedded_versions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Other_embedded_versions"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.3</span> <span>Other embedded versions</span> </div> </a> <ul id="toc-Other_embedded_versions-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Cancelled_versions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Cancelled_versions"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Cancelled versions</span> </div> </a> <button aria-controls="toc-Cancelled_versions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Cancelled versions subsection</span> </button> <ul id="toc-Cancelled_versions-sublist" class="vector-toc-list"> <li id="toc-Cancelled_personal_computer_versions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Cancelled_personal_computer_versions"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Cancelled personal computer versions</span> </div> </a> <ul id="toc-Cancelled_personal_computer_versions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Cancelled_mobile_versions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Cancelled_mobile_versions"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.2</span> <span>Cancelled mobile versions</span> </div> </a> <ul id="toc-Cancelled_mobile_versions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Cancelled_server_versions" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Cancelled_server_versions"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.3</span> <span>Cancelled server versions</span> </div> </a> <ul id="toc-Cancelled_server_versions-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">List of Microsoft Windows versions</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 20 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-20" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">20 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%82%D8%A7%D8%A6%D9%85%D8%A9_%D8%A5%D8%B5%D8%AF%D8%A7%D8%B1%D8%A7%D8%AA_%D9%85%D8%A7%D9%8A%D9%83%D8%B1%D9%88%D8%B3%D9%88%D9%81%D8%AA_%D9%88%D9%8A%D9%86%D8%AF%D9%88%D8%B2" title="قائمة إصدارات مايكروسوفت ويندوز – Arabic" lang="ar" hreflang="ar" data-title="قائمة إصدارات مايكروسوفت ويندوز" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Microsoft_Windows_versiyalar%C4%B1n%C4%B1n_siyah%C4%B1s%C4%B1" title="Microsoft Windows versiyalarının siyahısı – Azerbaijani" lang="az" hreflang="az" data-title="Microsoft Windows versiyalarının siyahısı" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Spisak_verzija_Microsoft_Windowsa" title="Spisak verzija Microsoft Windowsa – Bosnian" lang="bs" hreflang="bs" data-title="Spisak verzija Microsoft Windowsa" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Llista_de_les_versions_de_Microsoft_Windows" title="Llista de les versions de Microsoft Windows – Catalan" lang="ca" hreflang="ca" data-title="Llista de les versions de Microsoft Windows" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Anexo:Versiones_de_Microsoft_Windows" title="Anexo:Versiones de Microsoft Windows – Spanish" lang="es" hreflang="es" data-title="Anexo:Versiones de Microsoft Windows" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%81%D9%87%D8%B1%D8%B3%D8%AA_%D9%86%D8%B3%D8%AE%D9%87%E2%80%8C%D9%87%D8%A7%DB%8C_%D9%85%D8%A7%DB%8C%DA%A9%D8%B1%D9%88%D8%B3%D8%A7%D9%81%D8%AA_%D9%88%DB%8C%D9%86%D8%AF%D9%88%D8%B2" title="فهرست نسخه‌های مایکروسافت ویندوز – Persian" lang="fa" hreflang="fa" data-title="فهرست نسخه‌های مایکروسافت ویندوز" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%A7%88%EC%9D%B4%ED%81%AC%EB%A1%9C%EC%86%8C%ED%94%84%ED%8A%B8_%EC%9C%88%EB%8F%84%EC%9A%B0_%EB%B2%84%EC%A0%84_%EB%AA%A9%EB%A1%9D" title="마이크로소프트 윈도우 버전 목록 – Korean" lang="ko" hreflang="ko" data-title="마이크로소프트 윈도우 버전 목록" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Daftar_versi_Microsoft_Windows" title="Daftar versi Microsoft Windows – Indonesian" lang="id" hreflang="id" data-title="Daftar versi Microsoft Windows" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Listi_yfir_%C3%BAtg%C3%A1fur_Microsoft_Windows" title="Listi yfir útgáfur Microsoft Windows – Icelandic" lang="is" hreflang="is" data-title="Listi yfir útgáfur Microsoft Windows" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Versioni_di_Microsoft_Windows" title="Versioni di Microsoft Windows – Italian" lang="it" hreflang="it" data-title="Versioni di Microsoft Windows" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%AE%E0%A4%BE%E0%A4%AF%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A5%8B%E0%A4%B8%E0%A5%89%E0%A4%AB%E0%A5%8D%E0%A4%9F_%E0%A4%B5%E0%A4%BF%E0%A4%82%E0%A4%A1%E0%A5%8B%E0%A4%9C%E0%A4%9A%E0%A5%8D%E0%A4%AF%E0%A4%BE_%E0%A4%B8%E0%A4%B0%E0%A5%8D%E0%A4%B5_%E0%A4%86%E0%A4%B5%E0%A5%83%E0%A4%A4%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%82%E0%A4%9A%E0%A5%80_%E0%A4%AF%E0%A4%BE%E0%A4%A6%E0%A5%80" title="मायक्रोसॉफ्ट विंडोजच्या सर्व आवृत्त्यांची यादी – Marathi" lang="mr" hreflang="mr" data-title="मायक्रोसॉफ्ट विंडोजच्या सर्व आवृत्त्यांची यादी" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%99%E1%80%AD%E1%80%AF%E1%80%80%E1%80%BA%E1%80%81%E1%80%9B%E1%80%AD%E1%80%AF%E1%80%86%E1%80%B1%E1%80%AC%E1%80%B7%E1%80%96%E1%80%BA_%E1%80%9D%E1%80%84%E1%80%BA%E1%80%B8%E1%80%92%E1%80%AD%E1%80%AF%E1%80%B8%E1%80%99%E1%80%BB%E1%80%AC%E1%80%B8" title="မိုက်ခရိုဆော့ဖ် ဝင်းဒိုးများ – Burmese" lang="my" hreflang="my" data-title="မိုက်ခရိုဆော့ဖ် ဝင်းဒိုးများ" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Wersje_Microsoft_Windows" title="Wersje Microsoft Windows – Polish" lang="pl" hreflang="pl" data-title="Wersje Microsoft Windows" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Lista_das_principais_vers%C3%B5es_do_Microsoft_Windows" title="Lista das principais versões do Microsoft Windows – Portuguese" lang="pt" hreflang="pt" data-title="Lista das principais versões do Microsoft Windows" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%B8%E0%B6%BA%E0%B7%92%E0%B6%9A%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B7%9C%E0%B7%83%E0%B7%9C%E0%B7%86%E0%B7%8A%E0%B6%A7%E0%B7%8A_%E0%B7%80%E0%B7%92%E0%B6%B1%E0%B7%8A%E0%B6%A9%E0%B7%9D%E0%B7%83%E0%B7%8A_%E0%B7%83%E0%B6%82%E0%B7%83%E0%B7%8A%E0%B6%9A%E0%B6%BB%E0%B6%AB_%E0%B6%BD%E0%B7%90%E0%B6%BA%E0%B7%92%E0%B7%83%E0%B7%8A%E0%B6%AD%E0%B7%94%E0%B7%80" title="මයික්‍රොසොෆ්ට් වින්ඩෝස් සංස්කරණ ලැයිස්තුව – Sinhala" lang="si" hreflang="si" data-title="මයික්‍රොසොෆ්ට් වින්ඩෝස් සංස්කරණ ලැයිස්තුව" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-tl badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://tl.wikipedia.org/wiki/Talaan_ng_mga_bersiyon_ng_Microsoft_Windows" title="Talaan ng mga bersiyon ng Microsoft Windows – Tagalog" lang="tl" hreflang="tl" data-title="Talaan ng mga bersiyon ng Microsoft Windows" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A3%E0%B8%B2%E0%B8%A2%E0%B8%8A%E0%B8%B7%E0%B9%88%E0%B8%AD%E0%B8%A3%E0%B8%B8%E0%B9%88%E0%B8%99%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B9%84%E0%B8%A1%E0%B9%82%E0%B8%84%E0%B8%A3%E0%B8%8B%E0%B8%AD%E0%B8%9F%E0%B8%95%E0%B9%8C_%E0%B8%A7%E0%B8%B4%E0%B8%99%E0%B9%82%E0%B8%94%E0%B8%A7%E0%B8%AA%E0%B9%8C" title="รายชื่อรุ่นของไมโครซอฟต์ วินโดวส์ – Thai" lang="th" hreflang="th" data-title="รายชื่อรุ่นของไมโครซอฟต์ วินโดวส์" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Danh_s%C3%A1ch_phi%C3%AAn_b%E1%BA%A3n_Microsoft_Windows" title="Danh sách phiên bản Microsoft Windows – Vietnamese" lang="vi" hreflang="vi" data-title="Danh sách phiên bản Microsoft Windows" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/Windows%E5%98%85%E7%89%88%E6%9C%AC%E4%B8%80%E8%A6%BD" title="Windows嘅版本一覽 – Cantonese" lang="yue" hreflang="yue" data-title="Windows嘅版本一覽" data-language-autonym="粵語" data-language-local-name="Cantonese" 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srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/01/Windows_logo_and_wordmark_-_%281985-1989%29.svg/375px-Windows_logo_and_wordmark_-_%281985-1989%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/01/Windows_logo_and_wordmark_-_%281985-1989%29.svg/500px-Windows_logo_and_wordmark_-_%281985-1989%29.svg.png 2x" data-file-width="733" data-file-height="117" /></a></span></div><div class="thumbcaption">Original Windows logo from 1985</div></div></div><div class="trow"><div class="tsingle" style="width:252px;max-width:252px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Windows_logo_and_wordmark_-_2021.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Windows_logo_and_wordmark_-_2021.svg/250px-Windows_logo_and_wordmark_-_2021.svg.png" decoding="async" width="250" height="53" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Windows_logo_and_wordmark_-_2021.svg/375px-Windows_logo_and_wordmark_-_2021.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Windows_logo_and_wordmark_-_2021.svg/500px-Windows_logo_and_wordmark_-_2021.svg.png 2x" data-file-width="872" data-file-height="184" /></a></span></div><div class="thumbcaption">Current Windows logo (introduced in 2021)</div></div></div></div></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Windows_Version_History.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Windows_Version_History.svg/220px-Windows_Version_History.svg.png" decoding="async" width="220" height="250" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Windows_Version_History.svg/330px-Windows_Version_History.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Windows_Version_History.svg/440px-Windows_Version_History.svg.png 2x" data-file-width="512" data-file-height="582" /></a><figcaption>Timeline showing releases of Windows for personal computers and servers</figcaption></figure> <p><a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Microsoft Windows</a> is a computer <a href="/wiki/Operating_system" title="Operating system">operating system</a> developed by <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a>. It was first launched in 1985 as a graphical operating system built on <a href="/wiki/MS-DOS" title="MS-DOS">MS-DOS</a>. The initial version was followed by several subsequent releases, and by the early 1990s, the Windows line had split into two separate lines of releases: Windows 9x for consumers and Windows NT for businesses and enterprises. In the following years, several further variants of Windows would be released: Windows CE in 1996 for embedded systems; Pocket PC in 2000 (renamed to Windows Mobile in 2003 and Windows Phone in 2010) for personal digital assistants and, later, smartphones; Windows Holographic in 2016 for AR/VR headsets; and several other editions. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Personal_computer_versions">Personal computer versions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=1" title="Edit section: Personal computer versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A "personal computer" version of Windows is considered to be a version that end-users or <a href="/wiki/OEM" class="mw-redirect" title="OEM">OEMs</a> can install on <a href="/wiki/Personal_computer" title="Personal computer">personal computers</a>, including <a href="/wiki/Desktop_computer" title="Desktop computer">desktop computers</a>, laptops, and workstations. </p><p>The first five versions of Windows–<a href="/wiki/Windows_1.0" title="Windows 1.0">Windows 1.0</a>, <a href="/wiki/Windows_2.0" title="Windows 2.0">Windows 2.0</a>, <a href="/wiki/Windows_2.1" title="Windows 2.1">Windows 2.1</a>, <a href="/wiki/Windows_3.0" title="Windows 3.0">Windows 3.0</a>, and <a href="/wiki/Windows_3.1" title="Windows 3.1">Windows 3.1</a>–were all based on MS-DOS, and were aimed at both consumers and businesses. However, Windows 3.1 had two separate successors, splitting the Windows line in two: the consumer-focused "<a href="/wiki/Windows_9x" title="Windows 9x">Windows 9x</a>" line, consisting of <a href="/wiki/Windows_95" title="Windows 95">Windows 95</a>, <a href="/wiki/Windows_98" title="Windows 98">Windows 98</a>, and <a href="/wiki/Windows_Me" title="Windows Me">Windows Me</a>; and the professional Windows NT line, comprising <a href="/wiki/Windows_NT_3.1" title="Windows NT 3.1">Windows NT 3.1</a>, <a href="/wiki/Windows_NT_3.5" title="Windows NT 3.5">Windows NT 3.5</a>, <a href="/wiki/Windows_NT_3.51" title="Windows NT 3.51">Windows NT 3.51</a>, <a href="/wiki/Windows_NT_4.0" title="Windows NT 4.0">Windows NT 4.0</a>, and <a href="/wiki/Windows_2000" title="Windows 2000">Windows 2000</a>. These two lines were reunited into a single line with the NT-based <a href="/wiki/Windows_XP" title="Windows XP">Windows XP</a>; this Windows release succeeded both Windows Me and Windows 2000 and had separate editions for consumer and professional use. Since Windows XP, multiple further versions of Windows have been released, the most recent of which is <a href="/wiki/Windows_11" title="Windows 11">Windows 11</a>. Since <a href="/wiki/Windows_10" title="Windows 10">Windows 10</a>, Microsoft has effectively turned to the "Windows as a service" servicing model, most likely to ensure it competes with mobile operating systems. </p> <table class="wikitable sortable mw-collapsible"> <caption>List of Microsoft Windows versions for personal computers </caption> <tbody><tr> <th scope="col">Name </th> <th scope="col">Codename </th> <th scope="col"><a href="/wiki/General_availability" class="mw-redirect" title="General availability">Release</a> date </th> <th scope="col">Version </th> <th scope="col">Editions </th> <th scope="col">Build number </th> <th scope="col">Architecture </th> <th scope="col">End of support </th></tr> <tr> <td><a href="/wiki/Windows_1.0" title="Windows 1.0">Windows 1.01</a></td> <td>Interface Manager</td> <td>1985-11-20</td> <td>1.01</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td rowspan="4"><a href="/wiki/X86-16" class="mw-redirect" title="X86-16">x86-16</a> </td> <td rowspan="11">2001-12-31 </td></tr> <tr> <td><a href="/wiki/Windows_1.02" class="mw-redirect" title="Windows 1.02">Windows 1.02</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1986-05-14</td> <td>1.02</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <td><a href="/wiki/Windows_1.03" class="mw-redirect" title="Windows 1.03">Windows 1.03</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1986-08-21</td> <td>1.03</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <td><a href="/wiki/Windows_1.04" class="mw-redirect" title="Windows 1.04">Windows 1.04</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1987-04-10</td> <td>1.04</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <td><a href="/wiki/Windows_2.0" title="Windows 2.0">Windows 2.01</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1987-12-09</td> <td>2.01</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td rowspan="6"><a href="/wiki/X86-16" class="mw-redirect" title="X86-16">x86-16</a>, <a href="/wiki/IA-32" title="IA-32">IA-32</a> </td></tr> <tr> <td><a href="/wiki/Windows_2.03" class="mw-redirect" title="Windows 2.03">Windows 2.03</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1987-12-09</td> <td>2.03</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <td><a href="/wiki/Windows_2.1" title="Windows 2.1">Windows 2.1</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1988-05-27</td> <td>2.10 </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <td><a href="/wiki/Windows_2.11" class="mw-redirect" title="Windows 2.11">Windows 2.11</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1989-03-13</td> <td>2.11 </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <td><a href="/wiki/Windows_3.0" title="Windows 3.0">Windows 3.0</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1990-05-22</td> <td>3.00 </td> <td> <ul><li>Windows 3.00a</li> <li>Windows 3.0 with Multimedia Extensions</li></ul> </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td></tr> <tr> <td rowspan="2"><a href="/wiki/Windows_3.1" title="Windows 3.1">Windows 3.1</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td>1992-04-06 </td> <td rowspan="2">3.10 </td> <td> <ul><li>Windows 3.1</li></ul> </td> <td>103 </td></tr> <tr> <td>Sparta<sup id="cite_ref-Windows_for_Workgroups_3.1_codename_1-0" class="reference"><a href="#cite_note-Windows_for_Workgroups_3.1_codename-1"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </td> <td>1992-10-31 </td> <td> <ul><li>Windows for Workgroups 3.1</li></ul> </td> <td>102 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td></tr> <tr> <td><a href="/wiki/Windows_NT_3.1" title="Windows NT 3.1">Windows NT 3.1</a></td> <td>Razzle<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td> <td>1993-07-27</td> <td>NT 3.1 </td> <td> <ul><li>Windows NT 3.1</li></ul> </td> <td>528 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/DEC_Alpha" title="DEC Alpha">Alpha</a>, <a href="/wiki/MIPS_architecture" title="MIPS architecture">MIPS</a> </td> <td>2000-12-31 </td></tr> <tr> <td rowspan="2"><a href="/wiki/Windows_3.11" class="mw-redirect" title="Windows 3.11">Windows 3.11</a> </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td rowspan="2">1993-11-08 </td> <td rowspan="2">3.11 </td> <td> <ul><li>Windows 3.11</li></ul> </td> <td style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; white-space: nowrap; text-align: center;" class="table-Unknown">? </td> <td><a href="/wiki/X86-16" class="mw-redirect" title="X86-16">x86-16</a>, <a href="/wiki/IA-32" title="IA-32">IA-32</a> </td> <td rowspan="6">2001-12-31 </td></tr> <tr> <td>Snowball </td> <td> <ul><li><a href="/wiki/Windows_for_Workgroups" class="mw-redirect" title="Windows for Workgroups">Windows for Workgroups 3.11</a></li></ul> </td> <td>300 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td></tr> <tr> <td><a href="/wiki/Windows_3.2" class="mw-redirect" title="Windows 3.2">Windows 3.2</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1993-11-22</td> <td>3.2 </td> <td> <ul><li>Windows 3.2</li></ul> </td> <td>153 </td> <td><a href="/wiki/X86-16" class="mw-redirect" title="X86-16">x86-16</a>, <a href="/wiki/IA-32" title="IA-32">IA-32</a> </td></tr> <tr> <td><a href="/wiki/Windows_NT_3.5" title="Windows NT 3.5">Windows NT 3.5</a> </td> <td rowspan="2">Daytona </td> <td>1994-09-21</td> <td>NT 3.5 </td> <td> <ul><li>Windows NT 3.5 Workstation</li></ul> </td> <td>807 </td> <td rowspan="2"><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/DEC_Alpha" title="DEC Alpha">Alpha</a>, <a href="/wiki/MIPS_architecture" title="MIPS architecture">MIPS</a>, <a href="/wiki/PowerPC" title="PowerPC">PowerPC</a> </td></tr> <tr> <td><a href="/wiki/Windows_NT_3.51" title="Windows NT 3.51">Windows NT 3.51</a> </td> <td>1995-05-30</td> <td>NT 3.51 </td> <td> <ul><li>Windows NT 3.51 Workstation</li></ul> </td> <td>1057 </td></tr> <tr> <td><a href="/wiki/Windows_95" title="Windows 95">Windows 95</a></td> <td>Chicago</td> <td>1995-08-24 </td> <td>4.00 </td> <td> <ul><li>Windows 95</li></ul> </td> <td>950 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td></tr> <tr> <td><a href="/wiki/Windows_NT_4.0" title="Windows NT 4.0">Windows NT 4.0</a></td> <td>Shell Update Release <p>(Tukwila) </p> </td> <td>1996-08-24 </td> <td>NT 4.0 </td> <td> <ul><li>Windows NT 4.0 Workstation</li></ul> </td> <td>1381 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/DEC_Alpha" title="DEC Alpha">Alpha</a>, <a href="/wiki/MIPS_architecture" title="MIPS architecture">MIPS</a>, <a href="/wiki/PowerPC" title="PowerPC">PowerPC</a> </td> <td>2004-06-30 </td></tr> <tr> <td><a href="/wiki/Windows_98" title="Windows 98">Windows 98</a></td> <td>Memphis<sup id="cite_ref-Windows_98_codename_4-0" class="reference"><a href="#cite_note-Windows_98_codename-4"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup></td> <td>1998-06-25 </td> <td rowspan="2">4.10 </td> <td> <ul><li>Windows 98</li></ul> </td> <td>1998 </td> <td rowspan="2"><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td> <td rowspan="2">2006-07-11 </td></tr> <tr> <td><a href="/wiki/Windows_98#Windows_98_Second_Edition" title="Windows 98">Windows 98 Second Edition</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1999-06-10 </td> <td> <ul><li>Windows 98 Second Edition</li></ul> </td> <td>2222A </td></tr> <tr> <td><a href="/wiki/Windows_2000" title="Windows 2000">Windows 2000</a></td> <td>Windows NT 5.0</td> <td>2000-02-17 </td> <td>NT 5.0 </td> <td> <ul><li>Windows 2000 Professional</li></ul> </td> <td>2195 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td> <td>2010-07-13 </td></tr> <tr> <td><a href="/wiki/Windows_Me" title="Windows Me">Windows Me</a></td> <td>Millennium</td> <td>2000-09-14 </td> <td>4.90 </td> <td> <ul><li>Windows Me</li></ul> </td> <td>3000 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td> <td>2006-07-11 </td></tr> <tr> <td rowspan="7"><a href="/wiki/Windows_XP" title="Windows XP">Windows XP</a></td> <td rowspan="2">Whistler</td> <td rowspan="2">2001-10-25 </td> <td rowspan="6">NT 5.1 </td> <td> <ul><li><a href="/wiki/Windows_XP_editions#Starter_Edition" title="Windows XP editions">Windows XP Starter</a></li> <li><a href="/wiki/Windows_XP_editions#Home_and_Professional" title="Windows XP editions">Windows XP Home</a></li> <li><a href="/wiki/Windows_XP_editions#Home_and_Professional" title="Windows XP editions">Windows XP Professional</a></li></ul> </td> <td rowspan="4">2600 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td> <td rowspan="7">2014-04-08 </td></tr> <tr> <td> <ul><li><a href="/wiki/Windows_XP_64-bit_Edition" class="mw-redirect" title="Windows XP 64-bit Edition">Windows XP 64-bit Edition</a></li></ul> </td> <td><a href="/wiki/Itanium" title="Itanium">Itanium</a> </td></tr> <tr> <td>Freestyle</td> <td>2002-10-29 </td> <td> <ul><li><a href="/wiki/Windows_XP_Media_Center_Edition" title="Windows XP Media Center Edition">Windows XP Media Center Edition</a></li></ul> </td> <td rowspan="4"><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td></tr> <tr> <td>Harmony</td> <td>2003-09-30 </td> <td> <ul><li><a href="/wiki/Windows_XP_Media_Center_Edition#Versions" title="Windows XP Media Center Edition">Windows XP Media Center Edition 2004</a></li></ul> </td></tr> <tr> <td>Symphony</td> <td>2004-10-12 </td> <td> <ul><li><a href="/wiki/Windows_XP_Media_Center_Edition#Versions" title="Windows XP Media Center Edition">Windows XP Media Center Edition 2005</a></li></ul> </td> <td>2700 </td></tr> <tr> <td>Emerald</td> <td>2005-10-14 </td> <td> <ul><li><a href="/wiki/Windows_XP_Media_Center_Edition_2006" class="mw-redirect" title="Windows XP Media Center Edition 2006">Windows XP Media Center Edition 2005 Update Rollup 2</a></li></ul> </td> <td>2710 </td></tr> <tr> <td>Anvil</td> <td>2005-04-25 </td> <td>NT 5.2 </td> <td> <ul><li><a href="/wiki/Windows_XP_Professional_x64_Edition" title="Windows XP Professional x64 Edition">Windows XP Professional x64 Edition</a></li></ul> </td> <td>3790 </td> <td><a href="/wiki/X86-64" title="X86-64">x86-64</a> </td></tr> <tr> <td><a href="/wiki/Windows_Vista" title="Windows Vista">Windows Vista</a></td> <td>Longhorn<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></td> <td>2007-01-30 </td> <td>NT 6.0 </td> <td> <ul><li><a href="/wiki/Windows_Vista_Starter" class="mw-redirect" title="Windows Vista Starter">Windows Vista Starter</a></li> <li><a href="/wiki/Windows_Vista_Home_Basic" class="mw-redirect" title="Windows Vista Home Basic">Windows Vista Home Basic</a></li> <li><a href="/wiki/Windows_Vista_Home_Premium" class="mw-redirect" title="Windows Vista Home Premium">Windows Vista Home Premium</a></li> <li><a href="/wiki/Windows_Vista_Business" class="mw-redirect" title="Windows Vista Business">Windows Vista Business</a></li> <li><a href="/wiki/Windows_Vista_Enterprise" class="mw-redirect" title="Windows Vista Enterprise">Windows Vista Enterprise</a></li> <li><a href="/wiki/Windows_Vista_Ultimate" class="mw-redirect" title="Windows Vista Ultimate">Windows Vista Ultimate</a></li></ul> </td> <td>6002<sup id="cite_ref-Windows_Vista_build_number_6-0" class="reference"><a href="#cite_note-Windows_Vista_build_number-6"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup> </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/X86-64" title="X86-64">x86-64</a> </td> <td>2017-04-11 </td></tr> <tr> <td><a href="/wiki/Windows_7" title="Windows 7">Windows 7</a></td> <td>Windows 7<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></td> <td>2009-10-22 </td> <td>NT 6.1 </td> <td> <ul><li><a href="/wiki/Windows_7_Starter" class="mw-redirect" title="Windows 7 Starter">Windows 7 Starter</a></li> <li><a href="/wiki/Windows_7_Home_Basic" class="mw-redirect" title="Windows 7 Home Basic">Windows 7 Home Basic</a></li> <li><a href="/wiki/Windows_7_Home_Premium" class="mw-redirect" title="Windows 7 Home Premium">Windows 7 Home Premium</a></li> <li><a href="/wiki/Windows_7_Professional" class="mw-redirect" title="Windows 7 Professional">Windows 7 Professional</a></li> <li><a href="/wiki/Windows_7_Enterprise" class="mw-redirect" title="Windows 7 Enterprise">Windows 7 Enterprise</a></li> <li><a href="/wiki/Windows_7_Ultimate" class="mw-redirect" title="Windows 7 Ultimate">Windows 7 Ultimate</a></li></ul> </td> <td>7601<sup id="cite_ref-Windows_7_build_number_8-0" class="reference"><a href="#cite_note-Windows_7_build_number-8"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup> </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/X86-64" title="X86-64">x86-64</a> </td> <td>2020-01-14 </td></tr> <tr> <td><a href="/wiki/Windows_8" title="Windows 8">Windows 8</a></td> <td>Windows 8</td> <td>2012-10-26 </td> <td>NT 6.2 </td> <td> <ul><li>Windows 8</li> <li><a href="/wiki/Windows_8_Pro" class="mw-redirect" title="Windows 8 Pro">Windows 8 Pro</a></li> <li><a href="/wiki/Windows_8_Enterprise" class="mw-redirect" title="Windows 8 Enterprise">Windows 8 Enterprise</a></li></ul> </td> <td>9200 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/X86-64" title="X86-64">x86-64</a> </td> <td>2016-01-12 </td></tr> <tr> <td rowspan="2"><a href="/wiki/Windows_8.1" title="Windows 8.1">Windows 8.1</a> </td> <td rowspan="2">Blue<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </td> <td>2013-10-17 </td> <td rowspan="2">NT 6.3 </td> <td> <ul><li>Windows 8.1</li> <li>Windows 8.1 Pro</li> <li>Windows 8.1 Enterprise</li></ul> </td> <td rowspan="2">9600 </td> <td rowspan="2"><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/X86-64" title="X86-64">x86-64</a> </td> <td rowspan="2">2023-01-10 </td></tr> <tr> <td>2014-05-23<sup id="cite_ref-Announcement_date_10-0" class="reference"><a href="#cite_note-Announcement_date-10"><span class="cite-bracket">[</span>e<span class="cite-bracket">]</span></a></sup> </td> <td> <ul><li><a href="/wiki/Windows_8.1_with_Bing" class="mw-redirect" title="Windows 8.1 with Bing">Windows 8.1 with Bing</a></li></ul> </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1507_(original_release)" class="mw-redirect" title="Windows 10, version 1507 (original release)">Windows 10</a> </td> <td>Threshold<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Windows_10_retroactive_codename_12-0" class="reference"><a href="#cite_note-Windows_10_retroactive_codename-12"><span class="cite-bracket">[</span>f<span class="cite-bracket">]</span></a></sup> </td> <td>2015-07-29 </td> <td>1507 </td> <td rowspan="14"> <ul><li>Windows 10 Home</li> <li>Windows 10 Pro</li> <li>Windows 10 Education</li> <li>Windows 10 Enterprise</li> <li>Windows 10 Pro for Workstations</li> <li>Windows 10 Pro Education</li> <li>Windows 10 S</li> <li>Windows 10 Enterprise LTSC</li></ul> </td> <td>10240 </td> <td rowspan="14"><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/X86-64" title="X86-64">x86-64</a>, <a href="/wiki/ARM64" class="mw-redirect" title="ARM64">ARM64</a> </td> <td>2017-05-09 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1511" title="Windows 10, version 1511">Windows 10 version 1511</a> </td> <td>Threshold 2 </td> <td>2015-11-10 </td> <td>1511 </td> <td>10586 </td> <td>2017-10-10 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1607" title="Windows 10, version 1607">Windows 10 version 1607</a> </td> <td>Redstone 1 </td> <td>2016-08-02 </td> <td>1607 </td> <td>14393 </td> <td>2018-04-10 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1703" title="Windows 10, version 1703">Windows 10 version 1703</a> </td> <td>Redstone 2 </td> <td>2017-04-05 </td> <td>1703 </td> <td>15063 </td> <td>2018-10-09 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1709" title="Windows 10, version 1709">Windows 10 version 1709</a> </td> <td>Redstone 3 </td> <td>2017-10-17 </td> <td>1709 </td> <td>16299 </td> <td>2019-04-09 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1803" title="Windows 10, version 1803">Windows 10 version 1803</a> </td> <td>Redstone 4 </td> <td>2018-04-30 </td> <td>1803 </td> <td>17134 </td> <td>2019-11-12 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1809" title="Windows 10, version 1809">Windows 10 version 1809</a> </td> <td>Redstone 5 </td> <td>2018-11-13 </td> <td>1809 </td> <td>17763 </td> <td>2020-11-10 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1903" title="Windows 10, version 1903">Windows 10 version 1903</a> </td> <td>19H1 </td> <td>2019-05-21 </td> <td>1903 </td> <td>18362 </td> <td>2020-12-08 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_1909" title="Windows 10, version 1909">Windows 10 version 1909</a> </td> <td>Vanadium </td> <td>2019-11-12 </td> <td>1909 </td> <td>18363 </td> <td>2021-05-11 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_2004" title="Windows 10, version 2004">Windows 10 version 2004</a> </td> <td>Vibranium </td> <td>2020-05-27 </td> <td>2004 </td> <td>19041 </td> <td>2021-12-14 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_20H2" title="Windows 10, version 20H2">Windows 10 version 20H2</a> </td> <td>Vibranium </td> <td>2020-10-20 </td> <td>20H2 </td> <td>19042 </td> <td>2022-08-09 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_21H1" title="Windows 10, version 21H1">Windows 10 version 21H1</a> </td> <td>Vibranium </td> <td>2021-05-18 </td> <td>21H1 </td> <td>19043 </td> <td>2022-12-13 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_21H2" title="Windows 10, version 21H2">Windows 10 version 21H2</a> </td> <td>Vibranium </td> <td>2021-11-16 </td> <td>21H2 </td> <td>19044 </td> <td>2023-06-13 </td></tr> <tr> <td><a href="/wiki/Windows_10,_version_22H2" title="Windows 10, version 22H2">Windows 10 version 22H2</a> </td> <td>Vibranium </td> <td>2022-10-18 </td> <td>22H2 </td> <td>19045 </td> <td>2025-10-14 </td></tr> <tr> <td><a href="/wiki/Windows_11,_version_21H2" title="Windows 11, version 21H2">Windows 11</a> </td> <td>Cobalt<sup id="cite_ref-Windows_11_codename_14-0" class="reference"><a href="#cite_note-Windows_11_codename-14"><span class="cite-bracket">[</span>g<span class="cite-bracket">]</span></a></sup> </td> <td>2021-10-04 </td> <td>21H2 </td> <td rowspan="4"> <ul><li>Windows 11 Home</li> <li>Windows 11 Pro</li> <li>Windows 11 Pro for Workstations</li> <li>Windows 11 Pro Education</li> <li>Windows 11 Education</li> <li>Windows 11 Enterprise</li> <li>Windows 11 SE</li></ul> </td> <td>22000 </td> <td rowspan="4"><a href="/wiki/X86-64" title="X86-64">x86-64</a>, <a href="/wiki/AArch64" title="AArch64">ARM64</a> </td> <td>2023-10-10<sup id="cite_ref-Windows_11_end-of-support_15-0" class="reference"><a href="#cite_note-Windows_11_end-of-support-15"><span class="cite-bracket">[</span>h<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Windows_11,_version_22H2" title="Windows 11, version 22H2">Windows 11 version 22H2</a> </td> <td>Nickel<sup id="cite_ref-Windows_11,_version_22H2_codename_16-0" class="reference"><a href="#cite_note-Windows_11,_version_22H2_codename-16"><span class="cite-bracket">[</span>i<span class="cite-bracket">]</span></a></sup> </td> <td>2022-09-20 </td> <td>22H2 </td> <td>22621 </td> <td>2024-10-08<sup id="cite_ref-Windows_11_end-of-support_15-1" class="reference"><a href="#cite_note-Windows_11_end-of-support-15"><span class="cite-bracket">[</span>h<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Windows_11,_version_23H2" title="Windows 11, version 23H2">Windows 11 version 23H2</a> </td> <td>Nickel </td> <td>2023-10-31 </td> <td>23H2 </td> <td>22631 </td> <td>2025-11-11<sup id="cite_ref-Windows_11_end-of-support_15-2" class="reference"><a href="#cite_note-Windows_11_end-of-support-15"><span class="cite-bracket">[</span>h<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Windows_11,_version_24H2" title="Windows 11, version 24H2">Windows 11 version 24H2</a> </td> <td>Germanium </td> <td>2024-10-01 </td> <td>24H2 </td> <td>26100 </td> <td>2026-10-13<sup id="cite_ref-Windows_11_end-of-support_15-3" class="reference"><a href="#cite_note-Windows_11_end-of-support-15"><span class="cite-bracket">[</span>h<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Mobile_versions">Mobile versions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=2" title="Edit section: Mobile versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Windows_Mobile" title="Windows Mobile">Windows Mobile</a>, <a href="/wiki/Windows_Phone_version_history" title="Windows Phone version history">Windows Phone version history</a>, and <a href="/wiki/Windows_10_Mobile_version_history" title="Windows 10 Mobile version history">Windows 10 Mobile version history</a></div> <p>Mobile versions refer to versions of Windows that can run on smartphones or personal digital assistants. </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237032888/mw-parser-output/.tmulti"><div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:254px;max-width:254px"><div class="trow"><div class="tsingle" style="width:252px;max-width:252px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Pocket_PC_2000.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/Pocket_PC_2000.svg/250px-Pocket_PC_2000.svg.png" decoding="async" width="250" height="42" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/24/Pocket_PC_2000.svg/375px-Pocket_PC_2000.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/24/Pocket_PC_2000.svg/500px-Pocket_PC_2000.svg.png 2x" data-file-width="883" data-file-height="148" /></a></span></div><div class="thumbcaption">Pocket PC 2000 logo</div></div></div><div class="trow"><div class="tsingle" style="width:252px;max-width:252px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Windows_Phone_7_logo_and_wordmark.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Windows_Phone_7_logo_and_wordmark.svg/250px-Windows_Phone_7_logo_and_wordmark.svg.png" decoding="async" width="250" height="34" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Windows_Phone_7_logo_and_wordmark.svg/375px-Windows_Phone_7_logo_and_wordmark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Windows_Phone_7_logo_and_wordmark.svg/500px-Windows_Phone_7_logo_and_wordmark.svg.png 2x" data-file-width="320" data-file-height="44" /></a></span></div><div class="thumbcaption">Logo used for Windows Phone 7.5 and Windows Phone 7.8</div></div></div><div class="trow"><div class="tsingle" style="width:252px;max-width:252px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Windows_Phone_8_logo_and_wordmark_(purple).svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Windows_Phone_8_logo_and_wordmark_%28purple%29.svg/250px-Windows_Phone_8_logo_and_wordmark_%28purple%29.svg.png" decoding="async" width="250" height="36" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Windows_Phone_8_logo_and_wordmark_%28purple%29.svg/375px-Windows_Phone_8_logo_and_wordmark_%28purple%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Windows_Phone_8_logo_and_wordmark_%28purple%29.svg/500px-Windows_Phone_8_logo_and_wordmark_%28purple%29.svg.png 2x" data-file-width="704" data-file-height="100" /></a></span></div><div class="thumbcaption">Logo used for Windows Phone 8 and Windows Phone 8.1</div></div></div><div class="trow"><div class="tsingle" style="width:252px;max-width:252px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Windows_10_Logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Windows_10_Logo.svg/250px-Windows_10_Logo.svg.png" decoding="async" width="250" height="46" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Windows_10_Logo.svg/375px-Windows_10_Logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/05/Windows_10_Logo.svg/500px-Windows_10_Logo.svg.png 2x" data-file-width="476" data-file-height="88" /></a></span></div><div class="thumbcaption">Logo used for Windows 10 and Windows 10 Mobile</div></div></div></div></div> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename </th> <th>Architecture</th> <th><a href="/wiki/General_availability" class="mw-redirect" title="General availability">Release</a><br />date </th> <th>Version Number </th></tr> <tr> <td><a href="/wiki/Pocket_PC_2000" title="Pocket PC 2000">Pocket PC 2000</a></td> <td>Rapier </td> <td><a href="/wiki/ARM_architecture" class="mw-redirect" title="ARM architecture">ARMv4</a>, <a href="/wiki/MIPS_architecture" title="MIPS architecture">MIPS</a>, <a href="/wiki/SuperH#SH-3" title="SuperH">SH-3</a></td> <td>2000-04-19 </td> <td rowspan="2">CE 3.0 </td></tr> <tr> <td><a href="/wiki/Pocket_PC_2002" title="Pocket PC 2002">Pocket PC 2002</a></td> <td>Merlin </td> <td><a href="/wiki/ARM_architecture" class="mw-redirect" title="ARM architecture">ARMv4</a></td> <td>2001-10-04 </td></tr> <tr> <td><a href="/wiki/Windows_Mobile_2003" title="Windows Mobile 2003">Windows Mobile 2003</a></td> <td>Ozone </td> <td rowspan="7"><a href="/wiki/ARM_architecture" class="mw-redirect" title="ARM architecture">ARMv5</a></td> <td>2003-06-23 </td> <td rowspan="2">CE 4.x </td></tr> <tr> <td><a href="/wiki/Windows_Mobile_2003_SE" class="mw-redirect" title="Windows Mobile 2003 SE">Windows Mobile 2003 SE</a></td> <td>Ozone </td> <td>2004-03-24 </td></tr> <tr> <td><a href="/wiki/Windows_Mobile_5.0" title="Windows Mobile 5.0">Windows Mobile 5.0</a></td> <td>Magneto </td> <td>2005-05-09 </td> <td rowspan="2">CE 5.0 </td></tr> <tr> <td><a href="/wiki/Windows_Mobile_6.0" title="Windows Mobile 6.0">Windows Mobile 6.0</a></td> <td>Crossbow </td> <td>2007-02-12 </td></tr> <tr> <td><a href="/wiki/Windows_Mobile_6.1" title="Windows Mobile 6.1">Windows Mobile 6.1</a></td> <td>Crossbow </td> <td>2008-04-01 </td> <td rowspan="2">CE 5.2 </td></tr> <tr> <td>Windows Mobile 6.1.4</td> <td>6 on 6 </td> <td>2008-11-11<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Windows_Mobile_6.5" title="Windows Mobile 6.5">Windows Mobile 6.5</a></td> <td>Titanium </td> <td>2009-05-11 </td> <td rowspan="4">CE 6.0 </td></tr> <tr> <td><a href="/wiki/Windows_Phone_7" title="Windows Phone 7">Windows Phone 7</a><sup id="cite_ref-Windows_Phone_7_original_name_18-0" class="reference"><a href="#cite_note-Windows_Phone_7_original_name-18"><span class="cite-bracket">[</span>j<span class="cite-bracket">]</span></a></sup></td> <td>Metro </td> <td rowspan="9"><a href="/wiki/ARM_architecture" class="mw-redirect" title="ARM architecture">ARMv7</a></td> <td>2010-10-29 </td></tr> <tr> <td><a href="/wiki/Windows_Phone_7.5" class="mw-redirect" title="Windows Phone 7.5">Windows Phone 7.5</a></td> <td>Mango</td> <td>2011-09-27 </td></tr> <tr> <td><a href="/wiki/Windows_Phone_7.8" class="mw-redirect" title="Windows Phone 7.8">Windows Phone 7.8</a></td> <td>Tango</td> <td>2013-02-01 </td></tr> <tr> <td><a href="/wiki/Windows_Phone_8" title="Windows Phone 8">Windows Phone 8</a></td> <td>Apollo </td> <td>2012-10-29 </td> <td>NT 6.2 </td></tr> <tr> <td><a href="/wiki/Windows_Phone_8.1" title="Windows Phone 8.1">Windows Phone 8.1</a></td> <td>Blue </td> <td>2014-04-14 </td> <td>NT 6.3 </td></tr> <tr> <td><a href="/wiki/Windows_10_Mobile#Version_history" title="Windows 10 Mobile">Windows 10 Mobile, version 1511</a></td> <td>Threshold 2 </td> <td>2015-11-12 </td> <td>1511 </td></tr> <tr> <td><a href="/wiki/Windows_10_Mobile#Version_history" title="Windows 10 Mobile">Windows 10 Mobile, version 1607</a></td> <td>Redstone 1</td> <td>2016-08-16 </td> <td>1607 </td></tr> <tr> <td><a href="/wiki/Windows_10_Mobile#Version_history" title="Windows 10 Mobile">Windows 10 Mobile, version 1703</a></td> <td>Redstone 2</td> <td>2017-04-24 </td> <td>1703 </td></tr> <tr> <td><a href="/wiki/Windows_10_Mobile#Version_history" title="Windows 10 Mobile">Windows 10 Mobile, version 1709</a></td> <td>feature2<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></td> <td>2017-10-24 </td> <td>1709 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Server_versions">Server versions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=3" title="Edit section: Server versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Windows_Server" title="Windows Server">Windows Server</a></div> <table class="wikitable sortable"> <tbody><tr> <th width="200px">Name </th> <th>Codename </th> <th><a href="/wiki/General_availability" class="mw-redirect" title="General availability">Release</a> date </th> <th>Version number </th> <th>Editions </th> <th>Build number </th> <th>Architecture </th> <th>End of support </th></tr> <tr> <td><a href="/wiki/Windows_NT_3.1" title="Windows NT 3.1">Windows NT 3.1</a> </td> <td>Razzle</td> <td>1993-07-27 </td> <td>NT 3.1 </td> <td> <ul><li>Windows NT 3.1 Advanced Server</li></ul> </td> <td>528 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/DEC_Alpha" title="DEC Alpha">Alpha</a>, <a href="/wiki/MIPS_architecture" title="MIPS architecture">MIPS</a> </td> <td>2000-12-31 </td></tr> <tr> <td><a href="/wiki/Windows_NT_3.5" title="Windows NT 3.5">Windows NT 3.5</a> </td> <td rowspan="2">Daytona </td> <td>1994-09-20 </td> <td>NT 3.5 </td> <td> <ul><li>Windows NT 3.5 Server</li></ul> </td> <td>807 </td> <td rowspan="3"><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/DEC_Alpha" title="DEC Alpha">Alpha</a>, <a href="/wiki/MIPS_architecture" title="MIPS architecture">MIPS</a>, <a href="/wiki/PowerPC" title="PowerPC">PowerPC</a> </td> <td>2001-12-31 </td></tr> <tr> <td><a href="/wiki/Windows_NT_3.51" title="Windows NT 3.51">Windows NT 3.51</a> </td> <td>1995-05-29 </td> <td>NT 3.51 </td> <td> <ul><li>Windows NT 3.51 Server</li></ul> </td> <td>1057 </td> <td>2001-12-31 </td></tr> <tr> <td><a href="/wiki/Windows_NT_4.0" title="Windows NT 4.0">Windows NT 4.0</a> </td> <td>Shell Update Release </td> <td>1996-07-29 </td> <td>NT 4.0 </td> <td> <ul><li>Windows NT 4.0 Server</li> <li>Windows NT 4.0 Server Enterprise</li> <li>Windows NT 4.0 Terminal Server Edition</li></ul> </td> <td>1381 </td> <td>2004-12-31 </td></tr> <tr> <td><a href="/wiki/Windows_2000" title="Windows 2000">Windows 2000</a> </td> <td>NT 5.0 </td> <td>2000-02-17 </td> <td>NT 5.0 </td> <td> <ul><li>Windows 2000 Server</li> <li>Windows 2000 Advanced Server</li> <li>Windows 2000 Datacenter Server</li></ul> </td> <td>2195 </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a> </td> <td>2010-07-13 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2003" title="Windows Server 2003">Windows Server 2003</a> </td> <td>Whistler Server </td> <td>2003-04-24 </td> <td rowspan="2">NT 5.2 </td> <td rowspan="2"> <ul><li>Windows Server Web</li> <li>Windows Server Standard</li> <li>Windows Server Enterprise</li> <li>Windows Server Datacenter</li> <li>Windows Storage Server</li></ul> </td> <td rowspan="2">3790 </td> <td rowspan="2"><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/X86-64" title="X86-64">x86-64</a>, <a href="/wiki/Itanium" title="Itanium">Itanium</a> </td> <td>2015-07-14 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2003_R2" class="mw-redirect" title="Windows Server 2003 R2">Windows Server 2003 R2</a> </td> <td>Whistler Server </td> <td>2005-12-06 </td> <td>2015-07-14 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2008" title="Windows Server 2008">Windows Server 2008</a> </td> <td>Longhorn Server </td> <td>2008-02-27 </td> <td>NT 6.0 </td> <td rowspan="2"> <ul><li>Windows Server Foundation</li> <li>Windows Server Standard</li> <li>Windows Server Enterprise</li> <li>Windows Server Datacenter</li> <li>Windows Server for Itanium-based Systems</li> <li>Windows Storage Server</li> <li>Windows Web Server</li></ul> </td> <td>6003<sup id="cite_ref-Windows_Vista_build_number_6-1" class="reference"><a href="#cite_note-Windows_Vista_build_number-6"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup> </td> <td><a href="/wiki/IA-32" title="IA-32">IA-32</a>, <a href="/wiki/X86-64" title="X86-64">x86-64</a>, <a href="/wiki/Itanium" title="Itanium">Itanium</a> </td> <td>2020-01-14 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2008_R2" title="Windows Server 2008 R2">Windows Server 2008 R2</a> </td> <td>Windows Server 7 </td> <td>2009-10-22 </td> <td>NT 6.1 </td> <td>7601<sup id="cite_ref-Windows_7_build_number_8-1" class="reference"><a href="#cite_note-Windows_7_build_number-8"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup> </td> <td><a href="/wiki/X86-64" title="X86-64">x86-64</a>, <a href="/wiki/Itanium" title="Itanium">Itanium</a> </td> <td>2020-01-14 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2012" title="Windows Server 2012">Windows Server 2012</a> </td> <td>Windows Server 8 </td> <td>2012-09-04 </td> <td>NT 6.2 </td> <td rowspan="2"> <ul><li>Windows Server Foundation</li> <li>Windows Server Essentials</li> <li>Windows Server Standard</li> <li>Windows Server Datacenter</li></ul> </td> <td>9200 </td> <td rowspan="12"><a href="/wiki/X86-64" title="X86-64">x86-64</a> </td> <td>2023-10-10 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2012_R2" title="Windows Server 2012 R2">Windows Server 2012 R2</a> </td> <td>Windows Server Blue </td> <td>2013-10-17 </td> <td>NT 6.3 </td> <td>9600 </td> <td>2023-10-10 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2016" title="Windows Server 2016">Windows Server 2016</a> </td> <td>Redstone </td> <td>2016-10-12 </td> <td>1607<sup id="cite_ref-:0_20-0" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td rowspan="11"> <ul><li>Windows Server Essentials<sup id="cite_ref-Windows_Server_Essentials_21-0" class="reference"><a href="#cite_note-Windows_Server_Essentials-21"><span class="cite-bracket">[</span>k<span class="cite-bracket">]</span></a></sup></li> <li>Windows Server Standard</li> <li>Windows Server Datacenter</li></ul> </td> <td>14393 </td> <td>2027-01-12 </td></tr> <tr> <td>Windows Server, version 1709<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </td> <td>Redstone 3 </td> <td>2017-10-17 </td> <td>1709 </td> <td>16299 </td> <td>2019-04-09 </td></tr> <tr> <td>Windows Server, version 1803<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </td> <td>Redstone 4 </td> <td>2018-04-30 </td> <td>1803 </td> <td>17134 </td> <td>2019-11-12 </td></tr> <tr> <td>Windows Server, version 1809 </td> <td>Redstone 5 </td> <td rowspan="2">2018-11-13<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </td> <td rowspan="2">1809 </td> <td rowspan="2">17763 </td> <td>2020-11-10 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2019" title="Windows Server 2019">Windows Server 2019</a><sup id="cite_ref-:0_20-1" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td>Redstone 5 </td> <td>2029-01-09<sup id="cite_ref-:0_20-2" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>Windows Server, version 1903<sup id="cite_ref-:0_20-3" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td>Redstone 5 </td> <td>2019-05-21 </td> <td>1903 </td> <td>18362 </td> <td>2020-12-08<sup id="cite_ref-:0_20-4" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>Windows Server, version 1909<sup id="cite_ref-:0_20-5" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td> <td>Vanadium </td> <td>2019-11-12 </td> <td>1909 </td> <td>18363 </td> <td>2021-05-11<sup id="cite_ref-:0_20-6" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>Windows Server, version 2004<sup id="cite_ref-servicing_25-0" class="reference"><a href="#cite_note-servicing-25"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </td> <td>Vibranium </td> <td>2020-06-26 </td> <td>2004 </td> <td>19041 </td> <td>2021-12-14<sup id="cite_ref-:0_20-7" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>Windows Server, version <p>20H2<sup id="cite_ref-servicing_25-1" class="reference"><a href="#cite_note-servicing-25"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> </td> <td>Iron </td> <td>2020-10-20 </td> <td>20H2 </td> <td>19042 </td> <td>2022-08-09<sup id="cite_ref-:0_20-8" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Windows_Server_2022" title="Windows Server 2022">Windows Server 2022</a> </td> <td>Vibranium </td> <td>2021-08-18 </td> <td>21H2<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </td> <td>20348 </td> <td>2031-10-14<sup id="cite_ref-:0_20-9" class="reference"><a href="#cite_note-:0-20"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>Windows Server, version 23H2 </td> <td>Zinc </td> <td>2023-10-14 </td> <td>23H2 </td> <td>25398 </td> <td>AMD64 </td> <td>2025-10-24 </td></tr> <tr> <td><a href="/wiki/Windows_Server_2025" title="Windows Server 2025">Windows Server 2025</a> </td> <td>Germanium </td> <td>2024-11-01 </td> <td>24H2 </td> <td> </td> <td>26100 </td> <td>AMD64, <a href="/wiki/ARM64" class="mw-redirect" title="ARM64">ARM64</a> </td> <td>2034-10-10 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="High-performance_computing_(HPC)_servers"><span id="High-performance_computing_.28HPC.29_servers"></span>High-performance computing (HPC) servers</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=4" title="Edit section: High-performance computing (HPC) servers"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename</th> <th>Release date</th> <th>Based on </th></tr> <tr> <td><a href="/wiki/Windows_Server_2003#Windows_Compute_Cluster_Server" title="Windows Server 2003">Windows Compute Cluster Server 2003</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2006-06-09</td> <td>Windows Server 2003 R2 </td></tr> <tr> <td><a href="/wiki/Windows_HPC_Server_2008" title="Windows HPC Server 2008">Windows HPC Server 2008</a></td> <td>Socrates</td> <td>2008-09-22</td> <td>Windows Server 2008 </td></tr> <tr> <td><a href="/wiki/Windows_HPC_Server_2008_R2" class="mw-redirect" title="Windows HPC Server 2008 R2">Windows HPC Server 2008 R2</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2010-09-20</td> <td>Windows Server 2008 R2 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Windows_Essential_Business_Server">Windows Essential Business Server</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=5" title="Edit section: Windows Essential Business Server"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename</th> <th>Release date</th> <th>End-of-support date</th> <th>Build number</th> <th>Based on </th></tr> <tr> <td><a href="/wiki/Windows_Essential_Business_Server_2008" title="Windows Essential Business Server 2008">Windows Essential Business Server 2008</a></td> <td>Centro</td> <td>2008-09-15</td> <td>2020-01-14</td> <td>5700</td> <td>Windows Server 2008 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Windows_Home_Server">Windows Home Server</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=6" title="Edit section: Windows Home Server"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename</th> <th>Release date</th> <th>End-of-support date</th> <th>Based on </th></tr> <tr> <td><a href="/wiki/Windows_Home_Server" title="Windows Home Server">Windows Home Server</a></td> <td>Quattro</td> <td>2007-11-04</td> <td>2013-01-08</td> <td>Windows Server 2003 R2 </td></tr> <tr> <td><a href="/wiki/Windows_Home_Server_2011" title="Windows Home Server 2011">Windows Home Server 2011</a></td> <td>Vail</td> <td>2011-04-06</td> <td>2016-04-12</td> <td>Windows Server 2008 R2 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Windows_MultiPoint_Server">Windows MultiPoint Server</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=7" title="Edit section: Windows MultiPoint Server"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Windows_MultiPoint_Server" title="Windows MultiPoint Server">Windows MultiPoint Server</a></div> <p>Windows MultiPoint Server was an operating system based on <a href="/wiki/Windows_Server" title="Windows Server">Windows Server</a>. It was succeeded by the MultiPoint Services role in Windows Server 2016 and Windows Server version 1709. It was no longer being developed in Windows Server version 1803 and later versions. </p> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename</th> <th>Release date</th> <th>End-of-support date</th> <th>Version number</th> <th>Build number</th> <th>Based on </th></tr> <tr> <td>Windows MultiPoint Server 2010</td> <td>Solution Server</td> <td>2010-02-24</td> <td>2020-07-14</td> <td rowspan="2">NT 6.1</td> <td>537</td> <td>Windows Server 2008 R2 </td></tr> <tr> <td>Windows MultiPoint Server 2011</td> <td>WMS 2</td> <td>2011-05-12</td> <td>2021-07-13</td> <td>1600</td> <td>Windows Server 2008 R2 Service Pack 1 </td></tr> <tr> <td>Windows MultiPoint Server 2012</td> <td>WMS 3</td> <td>2012-10-30</td> <td>2023-10-10</td> <td>NT 6.2</td> <td>2506</td> <td>Windows Server 2012 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Windows_Small_Business_Server">Windows Small Business Server</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=8" title="Edit section: Windows Small Business Server"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Windows_Server_Essentials" title="Windows Server Essentials">Windows Server Essentials</a></div> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename</th> <th>Release date</th> <th>End-of-support date</th> <th>Build number</th> <th>Based on </th></tr> <tr> <td>Small Business Server 2000</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2001-02-21</td> <td>2010-07-13</td> <td>1343</td> <td>Windows 2000 Server </td></tr> <tr> <td>Windows Small Business Server 2003</td> <td>Bobcat</td> <td>2003-10-09</td> <td>2015-07-14</td> <td>2893</td> <td>Windows Server 2003 </td></tr> <tr> <td>Windows Small Business Server 2008</td> <td>Cougar</td> <td>2008-08-21</td> <td>2020-01-14</td> <td>5601</td> <td>Windows Server 2008 </td></tr> <tr> <td>Windows Small Business Server 2011 Standard</td> <td>Windows Small Business Server 7</td> <td>2010-12-13</td> <td>2020-01-14</td> <td>7900</td> <td rowspan="2">Windows Server 2008 R2 </td></tr> <tr> <td>Windows Small Business Server 2011 Essentials</td> <td>Colorado</td> <td>2011-06-28</td> <td>2013-01-05</td> <td>8800 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Device_versions">Device versions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=9" title="Edit section: Device versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="ARM-based_tablets">ARM-based tablets</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=10" title="Edit section: ARM-based tablets"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Windows_RT" title="Windows RT">Windows RT</a></div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237032888/mw-parser-output/.tmulti"><div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:254px;max-width:254px"><div class="trow"><div class="tsingle" style="width:252px;max-width:252px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Windows_RT_logo_and_wordmark.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/91/Windows_RT_logo_and_wordmark.svg/250px-Windows_RT_logo_and_wordmark.svg.png" decoding="async" width="250" height="44" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/91/Windows_RT_logo_and_wordmark.svg/375px-Windows_RT_logo_and_wordmark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/91/Windows_RT_logo_and_wordmark.svg/500px-Windows_RT_logo_and_wordmark.svg.png 2x" data-file-width="520" data-file-height="92" /></a></span></div><div class="thumbcaption">Windows RT logo</div></div></div><div class="trow"><div class="tsingle" style="width:252px;max-width:252px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:Surface_RT.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/Surface_RT.jpg/250px-Surface_RT.jpg" decoding="async" width="250" height="182" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/Surface_RT.jpg/375px-Surface_RT.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/56/Surface_RT.jpg/500px-Surface_RT.jpg 2x" data-file-width="2652" data-file-height="1932" /></a></span></div><div class="thumbcaption">The Surface RT (shown with keyboard cover attached) was the flagship Windows RT device upon its release.</div></div></div></div></div> <p>In 2012 and 2013, Microsoft released versions of Windows specially designed to run on <a href="/wiki/ARM_architecture" class="mw-redirect" title="ARM architecture">ARM</a>-based tablets; these versions of Windows, named "Windows RT" and "Windows RT 8.1," were based on Windows 8 and Windows 8.1, respectively. Upon the release of Windows 10 in 2015, the ARM-specific version for large tablets was discontinued; large tablets (such as the <a href="/wiki/Surface_Pro_4" title="Surface Pro 4">Surface Pro 4</a>) were only released with <a href="/wiki/X86" title="X86">x86</a> processors and could run the full version of Windows 10. Windows 10 Mobile had the ability to be installed on smaller tablets (up to nine inches);<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> however, very few such tablets were released, and Windows 10 Mobile primarily ended up only running on smartphones until its discontinuation. In 2017, the full version of Windows 10 gained the ability to run on ARM, thus rendering a specific version of Windows for ARM-based tablets unnecessary. </p> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th><a href="/wiki/General_availability" class="mw-redirect" title="General availability">Release</a> date</th> <th>Version number</th> <th>Build number</th> <th>Based on </th></tr> <tr> <td><a href="/wiki/Windows_RT" title="Windows RT">Windows RT</a></td> <td>2012-10-26</td> <td>NT 6.2</td> <td>9200</td> <td><a href="/wiki/Windows_8" title="Windows 8">Windows 8</a> </td></tr> <tr> <td><a href="/wiki/Windows_RT" title="Windows RT">Windows RT 8.1</a></td> <td>2013-10-18</td> <td>NT 6.3</td> <td>9600</td> <td><a href="/wiki/Windows_8.1" title="Windows 8.1">Windows 8.1</a> </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Mixed_reality_and_virtual_reality_headsets">Mixed reality and virtual reality headsets</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=11" title="Edit section: Mixed reality and virtual reality headsets"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Windows_Mixed_Reality" title="Windows Mixed Reality">Windows Mixed Reality</a></div> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Build number </th></tr> <tr> <td>Windows 10 Holographic, version 1607<sup id="cite_ref-hololens1_28-0" class="reference"><a href="#cite_note-hololens1-28"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup></td> <td>14393 </td></tr> <tr> <td>Windows 10 Holographic, version 1803<sup id="cite_ref-hololens1_28-1" class="reference"><a href="#cite_note-hololens1-28"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup></td> <td>17134 </td></tr> <tr> <td>Windows 10 Holographic, version 1809<sup id="cite_ref-hololens1_28-2" class="reference"><a href="#cite_note-hololens1-28"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup></td> <td>17763 </td></tr> <tr> <td>Windows Holographic, version 1903<sup id="cite_ref-hololens2_29-0" class="reference"><a href="#cite_note-hololens2-29"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></td> <td>18362 </td></tr> <tr> <td>Windows Holographic, version 2004<sup id="cite_ref-hololens2_29-1" class="reference"><a href="#cite_note-hololens2-29"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></td> <td>19041 </td></tr> <tr> <td>Windows Holographic, version 20H2<sup id="cite_ref-hololens2_29-2" class="reference"><a href="#cite_note-hololens2-29"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></td> <td>19041 </td></tr> <tr> <td>Windows Holographic, version 21H1<sup id="cite_ref-hololens2_29-3" class="reference"><a href="#cite_note-hololens2-29"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></td> <td>20346 </td></tr> <tr> <td>Windows Holographic, version 21H2<sup id="cite_ref-hololens2_29-4" class="reference"><a href="#cite_note-hololens2-29"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></td> <td>20348 </td></tr> <tr> <td>Windows Holographic, version 22H1<sup id="cite_ref-hololens2_29-5" class="reference"><a href="#cite_note-hololens2-29"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup></td> <td>20348 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Surface_Hub">Surface Hub</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=12" title="Edit section: Surface Hub"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Surface_Hub" title="Surface Hub">Surface Hub</a></div> <p>Microsoft originally announced the <a href="/wiki/Surface_Hub" title="Surface Hub">Surface Hub</a>, an <a href="/wiki/Interactive_whiteboard" title="Interactive whiteboard">interactive whiteboard</a>, in January 2015. The Surface Hub family of devices runs a custom variant of Windows 10 known as Windows 10 Team. </p> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Build number </th></tr> <tr> <td><a href="/wiki/Windows_10_Team" class="mw-redirect" title="Windows 10 Team">Windows 10 Team</a>, version 1511<sup id="cite_ref-surfacehub_30-0" class="reference"><a href="#cite_note-surfacehub-30"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></td> <td>10586 </td></tr> <tr> <td>Windows 10 Team, version 1607<sup id="cite_ref-surfacehub_30-1" class="reference"><a href="#cite_note-surfacehub-30"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></td> <td>14393 </td></tr> <tr> <td>Windows 10 Team, version 1703<sup id="cite_ref-surfacehub_30-2" class="reference"><a href="#cite_note-surfacehub-30"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></td> <td>15063 </td></tr> <tr> <td>Windows 10 Team, version 20H2<sup id="cite_ref-surfacehub_30-3" class="reference"><a href="#cite_note-surfacehub-30"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></td> <td>19042 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Windows_XP-based_tablets">Windows XP-based tablets</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=13" title="Edit section: Windows XP-based tablets"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:HP_Tablet_PC_running_Windows_XP_(Tablet_PC_edition)_(2006).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/HP_Tablet_PC_running_Windows_XP_%28Tablet_PC_edition%29_%282006%29.jpg/220px-HP_Tablet_PC_running_Windows_XP_%28Tablet_PC_edition%29_%282006%29.jpg" decoding="async" width="220" height="230" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/HP_Tablet_PC_running_Windows_XP_%28Tablet_PC_edition%29_%282006%29.jpg/330px-HP_Tablet_PC_running_Windows_XP_%28Tablet_PC_edition%29_%282006%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/HP_Tablet_PC_running_Windows_XP_%28Tablet_PC_edition%29_%282006%29.jpg/440px-HP_Tablet_PC_running_Windows_XP_%28Tablet_PC_edition%29_%282006%29.jpg 2x" data-file-width="764" data-file-height="800" /></a><figcaption>Tablet computer running a "Tablet PC Edition" of Windows XP</figcaption></figure> <p>Two versions of Windows XP were released that were optimized for tablets. Beginning with Windows Vista, all tablet-specific components were included in the main version of the operating system. </p> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename</th> <th><a href="/wiki/General_availability" class="mw-redirect" title="General availability">Release</a> date</th> <th>Version number</th> <th>Build number</th> <th>Based on </th></tr> <tr> <td><a href="/wiki/Windows_XP_editions#Tablet_PC_Edition" title="Windows XP editions">Windows XP Tablet PC Edition</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2002-11-07</td> <td>NT 5.1</td> <td>2600</td> <td><a href="/wiki/Windows_XP" title="Windows XP">Windows XP</a> </td></tr> <tr> <td><a href="/wiki/Windows_XP_editions#Tablet_PC_Edition" title="Windows XP editions">Windows XP Tablet PC Edition 2005</a></td> <td>Lonestar</td> <td>2004-08</td> <td>NT 5.1</td> <td>2600</td> <td><a href="/wiki/Windows_XP" title="Windows XP">Windows XP</a> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Embedded_versions">Embedded versions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=14" title="Edit section: Embedded versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Windows_Embedded_Compact">Windows Embedded Compact</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=15" title="Edit section: Windows Embedded Compact"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Windows_Embedded_Compact" title="Windows Embedded Compact">Windows Embedded Compact</a></div> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename(s)</th> <th>Release date </th></tr> <tr> <td><a href="/wiki/Windows_CE_1.0" class="mw-redirect" title="Windows CE 1.0">Windows CE 1.0</a></td> <td>Pegasus; Alder</td> <td>1996-11-16 </td></tr> <tr> <td><a href="/wiki/Windows_CE_2.0" class="mw-redirect" title="Windows CE 2.0">Windows CE 2.0</a></td> <td>Jupiter; Birch</td> <td>1997-09-29 </td></tr> <tr> <td><a href="/wiki/Windows_CE_2.1" class="mw-redirect" title="Windows CE 2.1">Windows CE 2.1</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1998-07 </td></tr> <tr> <td><a href="/wiki/Windows_CE_2.11" class="mw-redirect" title="Windows CE 2.11">Windows CE 2.11</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1998-10 </td></tr> <tr> <td><a href="/wiki/Windows_CE_2.12" class="mw-redirect" title="Windows CE 2.12">Windows CE 2.12</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1999 </td></tr> <tr> <td><a href="/wiki/Windows_CE_3.0" class="mw-redirect" title="Windows CE 3.0">Windows CE 3.0</a></td> <td>Cedar; Galileo</td> <td>2000 </td></tr> <tr> <td><a href="/wiki/Windows_CE_4.0" class="mw-redirect" title="Windows CE 4.0">Windows CE 4.0</a></td> <td>Talisker</td> <td>2002-01-07 </td></tr> <tr> <td><a href="/wiki/Windows_CE_4.1" class="mw-redirect" title="Windows CE 4.1">Windows CE 4.1</a></td> <td>Jameson</td> <td>2002-07-30 </td></tr> <tr> <td><a href="/wiki/Windows_CE_4.2" class="mw-redirect" title="Windows CE 4.2">Windows CE 4.2</a></td> <td>McKendric</td> <td>2003-04-23 </td></tr> <tr> <td><a href="/wiki/Windows_CE_5.0" title="Windows CE 5.0">Windows CE 5.0</a></td> <td>Macallan</td> <td>2004-07-09 </td></tr> <tr> <td><a href="/wiki/Windows_Embedded_CE_6.0" title="Windows Embedded CE 6.0">Windows Embedded CE 6.0</a></td> <td>Yamakazi</td> <td>2006-11-01 </td></tr> <tr> <td><a href="/wiki/Windows_Embedded_Compact_7" title="Windows Embedded Compact 7">Windows Embedded Compact 7</a></td> <td>Chelan</td> <td>2011-03-01 </td></tr> <tr> <td>Windows Embedded Compact 2013</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2013-06-13 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Windows_Embedded_Standard">Windows Embedded Standard</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=16" title="Edit section: Windows Embedded Standard"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <tbody><tr> <th>Name</th> <th>Codename</th> <th>Release date</th> <th>Based on </th></tr> <tr> <td><a href="/wiki/Windows_NT_Embedded_4.0" class="mw-redirect" title="Windows NT Embedded 4.0">Windows NT Embedded 4.0</a></td> <td>Impala</td> <td>1999-08-30</td> <td>Windows NT 4.0 Workstation </td></tr> <tr> <td><a href="/wiki/Windows_XP_Embedded" class="mw-redirect" title="Windows XP Embedded">Windows XP Embedded</a></td> <td>Mantis</td> <td>2001-11-28</td> <td>Windows XP Professional </td></tr> <tr> <td><a href="/wiki/Windows_Embedded_Standard_2009" class="mw-redirect" title="Windows Embedded Standard 2009">Windows Embedded Standard 2009</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2008-12-14</td> <td>Windows XP Service Pack 3 </td></tr> <tr> <td><a href="/wiki/Windows_Embedded_Standard_7" class="mw-redirect" title="Windows Embedded Standard 7">Windows Embedded Standard 7</a></td> <td>Quebec</td> <td>2010</td> <td>Windows 7 </td></tr> <tr> <td><a href="/wiki/Windows_Embedded_8" class="mw-redirect" title="Windows Embedded 8">Windows Embedded 8</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2013</td> <td>Windows 8 </td></tr> <tr> <td>Windows Embedded 8.1</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2013</td> <td>Windows 8.1 </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Other_embedded_versions">Other embedded versions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=17" title="Edit section: Other embedded versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Windows_Embedded_Industry" title="Windows Embedded Industry">Windows Embedded Industry</a></li> <li><a href="/wiki/Windows_Embedded_Automotive" title="Windows Embedded Automotive">Windows Embedded Automotive</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Cancelled_versions">Cancelled versions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=18" title="Edit section: Cancelled versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Cancelled_personal_computer_versions">Cancelled personal computer versions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=19" title="Edit section: Cancelled personal computer versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <tbody><tr> <th>Codename</th> <th>Intended name</th> <th>Discontinuation</th> <th>Version</th> <th>Latest known build number</th> <th>Notes </th></tr> <tr> <td><a href="/wiki/Cairo_(operating_system)" title="Cairo (operating system)">Cairo</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>1996</td> <td>NT 4.0</td> <td>1175</td> <td>Originally announced at the 1991 Microsoft <a href="/wiki/Professional_Developers_Conference" title="Professional Developers Conference">Professional Developers Conference</a>, Cairo was the codename of a project whose charter was to build technologies for a next-generation operating system that would fulfill <a href="/wiki/Bill_Gates" title="Bill Gates">Bill Gates</a>'s vision of "information at your fingertips".<sup id="cite_ref-FingerTips_31-0" class="reference"><a href="#cite_note-FingerTips-31"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Cairo never shipped, although portions of its technologies have since appeared in other products. </td></tr> <tr> <td><a href="/wiki/Windows_Nashville" title="Windows Nashville">Nashville</a><sup id="cite_ref-Nashville_codename_32-0" class="reference"><a href="#cite_note-Nashville_codename-32"><span class="cite-bracket">[</span>l<span class="cite-bracket">]</span></a></sup></td> <td>Windows 96</td> <td>1996</td> <td>4.1</td> <td>999</td> <td>Nashville was an operating system planned to have been released between Windows 95 and Windows 98, presumably under the "Windows 96" moniker. </td></tr> <tr> <td><a href="/wiki/Windows_Neptune" title="Windows Neptune">Neptune</a></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Early 2000</td> <td>NT 5.50</td> <td>5111</td> <td>Neptune, based on the Windows 2000 codebase, was planned to be the first version of Microsoft Windows NT to have a consumer edition variant. A version was sent out to testers but was never released.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> The teams working on Neptune and Odyssey eventually combined to work on Windows XP. </td></tr> <tr> <td>Odyssey</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Early 2000</td> <td>NT 6.0<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Odyssey was planned to be the successor of Windows 2000. The teams working on Neptune and Odyssey eventually combined to work on Windows XP. </td></tr> <tr> <td>Triton</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Early 2000</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Triton was planned to be the successor of Windows Neptune and had been scheduled to be released in March 2001. </td></tr> <tr> <td>Blackcomb</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2006-01</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Blackcomb was originally planned to be a release of Windows following Windows XP. However, due to the large feature scope planned for Blackcomb, a smaller release codenamed "Longhorn" was planned first, and Blackcomb was delayed to 2003/2004. Both projects faced delays; Longhorn would go on to be released to consumers as "Windows Vista" in January 2007, while development on Blackcomb continued until the Blackcomb project was renamed "Vienna" in early 2006. </td></tr> <tr> <td>Vienna</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2007-07<sup id="cite_ref-Date_of_Vienna_discontinuation_36-0" class="reference"><a href="#cite_note-Date_of_Vienna_discontinuation-36"><span class="cite-bracket">[</span>m<span class="cite-bracket">]</span></a></sup></td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Vienna replaced Blackcomb and was intended as Windows Vista's successor. Vienna was eventually cancelled in favor of a new project codenamed "Windows 7" (which went on to be released in 2009 with the same name). </td></tr> <tr> <td>Polaris</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>2018</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>16299</td> <td>Cancelled in favor of Santorini </td></tr> <tr> <td>Santorini<sup id="cite_ref-Windows_10X_codename_38-0" class="reference"><a href="#cite_note-Windows_10X_codename-38"><span class="cite-bracket">[</span>n<span class="cite-bracket">]</span></a></sup></td> <td><a href="/wiki/Windows_10X" title="Windows 10X">Windows 10X</a></td> <td>2021-05-18<sup id="cite_ref-Cancellation_announcement_39-0" class="reference"><a href="#cite_note-Cancellation_announcement-39"><span class="cite-bracket">[</span>o<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup></td> <td>21H1</td> <td>20279 </td> <td>Microsoft had been reported as working on a new "lite" version of Windows as early as December 2018.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> Such a version was officially announced under the name "Windows 10X" at an event in October 2019; the operating system was intended to first launch on dual-screen devices. In May 2020, Microsoft announced that Windows 10X would instead be launching on single-screen PCs, such as laptops and 2-in-1 devices, first.<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> However, on May 18, 2021, Microsoft announced that Windows 10X would not be launching (at least not in 2021); many of its features were instead rolled into Windows 11. </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Cancelled_mobile_versions">Cancelled mobile versions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=20" title="Edit section: Cancelled mobile versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <tbody><tr> <th>Codename</th> <th>Intended name</th> <th>Discontinuation</th> <th>Notes </th></tr> <tr> <td>Photon</td> <td>Windows Mobile 7</td> <td>September 2008<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup></td> <td>Originally a successor of Windows Mobile, it had been scrapped for Windows Phone 7<sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>Phoenix</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Early 2017</td> <td>Cancelled when Microsoft "wound down" its phone efforts.<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>Andromeda</td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">—</td> <td>Mid-2018</td> <td>Much of the work that was put into Andromeda was migrated into Santorini. The <a href="/wiki/Surface_Duo" title="Surface Duo">Surface Duo</a>, a dual-screen Android-powered smartphone launched by Microsoft in 2020, was loosely based on the prototype hardware that had been used to test Andromeda.<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Cancelled_server_versions">Cancelled server versions</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=21" title="Edit section: Cancelled server versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <tbody><tr> <th>Codename</th> <th>Intended name</th> <th>Discontinuation</th> <th>Latest known build number </th></tr> <tr> <td>Cascades</td> <td>Windows Essential Business Server 2008 R2</td> <td>April 7, 2010<sup id="cite_ref-Cancellation_announcement_39-1" class="reference"><a href="#cite_note-Cancellation_announcement-39"><span class="cite-bracket">[</span>o<span class="cite-bracket">]</span></a></sup></td> <td>7224 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=22" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_Microsoft_operating_systems" title="List of Microsoft operating systems">List of Microsoft operating systems</a></li> <li><a href="/wiki/Microsoft_Windows_version_history" title="Microsoft Windows version history">Microsoft Windows version history</a></li> <li><a href="/wiki/Windows_10_version_history" title="Windows 10 version history">Windows 10 version history</a></li> <li><a href="/wiki/Windows_11_version_history" title="Windows 11 version history">Windows 11 version history</a></li> <li><a href="/wiki/Comparison_of_Microsoft_Windows_versions" title="Comparison of Microsoft Windows versions">Comparison of Microsoft Windows versions</a></li> <li><a href="/wiki/List_of_Microsoft_codenames" title="List of Microsoft codenames">List of Microsoft codenames</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=23" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-Windows_for_Workgroups_3.1_codename-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Windows_for_Workgroups_3.1_codename_1-0">^</a></b></span> <span class="reference-text">Originally codenamed Winball</span> </li> <li id="cite_note-Windows_98_codename-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-Windows_98_codename_4-0">^</a></b></span> <span class="reference-text">Has also been called ChiCairo and London.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></span> </li> <li id="cite_note-Windows_Vista_build_number-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-Windows_Vista_build_number_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Windows_Vista_build_number_6-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Windows Vista and Windows Server 2008 originally had the build number 6000 when they were first released; the build number was increased by one with each of the two subsequent Service Packs.</span> </li> <li id="cite_note-Windows_7_build_number-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-Windows_7_build_number_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Windows_7_build_number_8-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Windows 7 and Windows Server 2008 R2 originally had the build number 7600 when they were first released; the build number was increased to 7601 with the release of Service Pack 1.</span> </li> <li id="cite_note-Announcement_date-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-Announcement_date_10-0">^</a></b></span> <span class="reference-text">Announcement date</span> </li> <li id="cite_note-Windows_10_retroactive_codename-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-Windows_10_retroactive_codename_12-0">^</a></b></span> <span class="reference-text">Retroactively referred to as Threshold 1</span> </li> <li id="cite_note-Windows_11_codename-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-Windows_11_codename_14-0">^</a></b></span> <span class="reference-text">The core of Windows 11 version 21H2 is codenamed Cobalt;<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> the "Sun Valley" codename refers to the UI layer of Windows 11 version 21H2 and is commonly used to address Windows 11 version 21H2 as a whole.</span> </li> <li id="cite_note-Windows_11_end-of-support-15"><span class="mw-cite-backlink">^ <a href="#cite_ref-Windows_11_end-of-support_15-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Windows_11_end-of-support_15-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Windows_11_end-of-support_15-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Windows_11_end-of-support_15-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text">The end-of-support date listed in the table refers to Home and Pro editions. Specific versions and editions of Windows 11 have different end of support dates; see <a href="/wiki/Template:Windows_11_versions" title="Template:Windows 11 versions">template:Windows 11 versions</a> for a breakdown of dates by version and edition.</span> </li> <li id="cite_note-Windows_11,_version_22H2_codename-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-Windows_11,_version_22H2_codename_16-0">^</a></b></span> <span class="reference-text">The core of Windows 11 version 22h2 is codenamed Nickel; the "Sun Valley 2" codename refers to the UI layer of Windows 11 version 22H2.</span> </li> <li id="cite_note-Windows_Phone_7_original_name-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-Windows_Phone_7_original_name_18-0">^</a></b></span> <span class="reference-text">Originally named "Windows Phone 7 Series"</span> </li> <li id="cite_note-Windows_Server_Essentials-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-Windows_Server_Essentials_21-0">^</a></b></span> <span class="reference-text">Between versions 1709 and 20H2 of Windows Server, the "Windows Server Essentials" edition of Windows Server was only included in Windows Server 2019.</span> </li> <li id="cite_note-Nashville_codename-32"><span class="mw-cite-backlink"><b><a href="#cite_ref-Nashville_codename_32-0">^</a></b></span> <span class="reference-text">Nashville was originally codenamed Cleveland.</span> </li> <li id="cite_note-Date_of_Vienna_discontinuation-36"><span class="mw-cite-backlink"><b><a href="#cite_ref-Date_of_Vienna_discontinuation_36-0">^</a></b></span> <span class="reference-text">July 2007 is when it was reported that the Vista's successor was codenamed "7", rather than "Vienna", indicating that Vienna's discontinuation had occurred by then. However, Vienna may have been cancelled prior to then.</span> </li> <li id="cite_note-Windows_10X_codename-38"><span class="mw-cite-backlink"><b><a href="#cite_ref-Windows_10X_codename_38-0">^</a></b></span> <span class="reference-text">While Santorini was the general codename for Windows 10X, Centaurus was the specific codename for Windows 10X on foldable PCs and Pegasus was the codename for Windows 10X on "traditional" PCs (such as laptops or 2-in-1 computers).<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup></span> </li> <li id="cite_note-Cancellation_announcement-39"><span class="mw-cite-backlink">^ <a href="#cite_ref-Cancellation_announcement_39-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Cancellation_announcement_39-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Date refers to when the cancellation of the operating system was announced. The decision for the operating system to be cancelled may have occurred prior to then.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=List_of_Microsoft_Windows_versions&action=edit&section=24" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://devblogs.microsoft.com/oldnewthing/20181224-00/?p=100545">"Random internal Windows terminology:IDW, Razzle, and their forgotten partners IDS and Dazzle"</a>. <i>The Old New Thing</i>. 2018-12-24<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-04-09</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+Old+New+Thing&rft.atitle=Random+internal+Windows+terminology%3AIDW%2C+Razzle%2C+and+their+forgotten+partners+IDS+and+Dazzle&rft.date=2018-12-24&rft_id=https%3A%2F%2Fdevblogs.microsoft.com%2Foldnewthing%2F20181224-00%2F%3Fp%3D100545&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20230117153238/http://antitrust.slated.org/www.iowaconsumercase.org/011607/7000/PX07696.pdf">"Systems Release Strategy - Draft:10/10/93"</a> <span class="cs1-format">(PDF)</span>. <i>Slated Antitrust</i>. November 10, 1993. Archived from <a rel="nofollow" class="external text" href="http://antitrust.slated.org/www.iowaconsumercase.org/011607/7000/PX07696.pdf">the original</a> <span class="cs1-format">(PDF)</span> on January 17, 2023<span class="reference-accessdate">. Retrieved <span class="nowrap">July 19,</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Slated+Antitrust&rft.atitle=Systems+Release+Strategy+-+Draft%3A10%2F10%2F93&rft.date=1993-11-10&rft_id=http%3A%2F%2Fantitrust.slated.org%2Fwww.iowaconsumercase.org%2F011607%2F7000%2FPX07696.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMartens2005" class="citation web cs1">Martens, China (July 22, 2005). <a rel="nofollow" class="external text" href="https://www.computerworld.com/article/2557113/update--microsoft-s-longhorn-becomes-windows-vista.html">"Update:Microsoft's Longhorn becomes Windows Vista"</a>. IDG Communications, Inc<span class="reference-accessdate">. Retrieved <span class="nowrap">13 June</span> 2021</span>. <q>Microsoft Corp. has announced the official name for its upcoming operating system, previously known under the code name Longhorn. The operating system, now due out in 2006, will be called Windows Vista</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Update%3AMicrosoft%27s+Longhorn+becomes+Windows+Vista&rft.pub=IDG+Communications%2C+Inc.&rft.date=2005-07-22&rft.aulast=Martens&rft.aufirst=China&rft_id=https%3A%2F%2Fwww.computerworld.com%2Farticle%2F2557113%2Fupdate--microsoft-s-longhorn-becomes-windows-vista.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://devblogs.microsoft.com/oldnewthing/20190722-00/?p=102724">"What was the code name for Windows 7?"</a>. <i>The Old New Thing</i>. 2019-07-22<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-05-09</span></span>. <q>The code name for Windows 7 was… Windows 7.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+Old+New+Thing&rft.atitle=What+was+the+code+name+for+Windows+7%3F&rft.date=2019-07-22&rft_id=https%3A%2F%2Fdevblogs.microsoft.com%2Foldnewthing%2F20190722-00%2F%3Fp%3D102724&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFO'Brien2019" class="citation web cs1">O'Brien, Terrence (19 July 2019). <a rel="nofollow" class="external text" href="https://www.engadget.com/2013-05-14-windows-blue-details.html">"Microsoft drops the Blue codename, confirms Windows 8.1 will be a free upgrade available later this year"</a>. <i>Engadget</i><span class="reference-accessdate">. Retrieved <span class="nowrap">30 April</span> 2023</span>. <q>One of the worst kept secrets rattling around Microsoft's campus is Windows Blue, the forthcoming update to Windows 8 that addresses users' bugbears about the OS. Now, Microsoft is officially rechristening the platform, and with a more staid name: Windows 8.1.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Engadget&rft.atitle=Microsoft+drops+the+Blue+codename%2C+confirms+Windows+8.1+will+be+a+free+upgrade+available+later+this+year&rft.date=2019-07-19&rft.aulast=O%27Brien&rft.aufirst=Terrence&rft_id=https%3A%2F%2Fwww.engadget.com%2F2013-05-14-windows-blue-details.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFoley" class="citation web cs1">Foley, Mary Jo. <a rel="nofollow" class="external text" href="https://www.zdnet.com/article/microsoft-to-share-windows-threshold-plans-at-build-2014-show-report/">"Microsoft to share Windows Threshold plans at Build 2014 show: Report"</a>. <i>ZDNet</i><span class="reference-accessdate">. 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Retrieved <span class="nowrap">16 July</span> 2021</span>. <q>Knowing that Neptune is 5.50, it's only logical to conclude Odyssey was to be 6.0</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Windows+Odyssey&rft_id=https%3A%2F%2Fwww.betaarchive.com%2Fwiki%2Findex.php%2FWindows_Odyssey&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-37"><span class="mw-cite-backlink"><b><a href="#cite_ref-37">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBowden2019" class="citation web cs1">Bowden, Zac (October 30, 2019). <a rel="nofollow" class="external text" href="https://www.windowscentral.com/windows-core-os">"Windows Core OS:The complete guide"</a>. <i>Windows Central</i>. Future US, Inc<span class="reference-accessdate">. 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Retrieved <span class="nowrap">14 June</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+Verge&rft.atitle=Microsoft+confirms+Windows+10X+is+dead&rft.date=2021-05-18&rft.aulast=Warren&rft.aufirst=Tom&rft_id=https%3A%2F%2Fwww.theverge.com%2F2021%2F5%2F18%2F22442421%2Fmicrosoft-windows-10-x-canceled-official&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-41">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSams2018" class="citation web cs1">Sams, Brad (December 3, 2018). <a rel="nofollow" class="external text" href="https://www.petri.com/what-is-windows-core-os-its-microsofts-chromebook-os-killer">"What is Windows Lite? It's Microsoft's Chrome OS Killer"</a>. <i>Petri</i>. BWW Media Group<span class="reference-accessdate">. Retrieved <span class="nowrap">16 July</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Petri&rft.atitle=What+is+Windows+Lite%3F+It%27s+Microsoft%27s+Chrome+OS+Killer&rft.date=2018-12-03&rft.aulast=Sams&rft.aufirst=Brad&rft_id=https%3A%2F%2Fwww.petri.com%2Fwhat-is-windows-core-os-its-microsofts-chromebook-os-killer&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-42"><span class="mw-cite-backlink"><b><a href="#cite_ref-42">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBowden2020" class="citation web cs1">Bowden, Zac (May 4, 2020). <a rel="nofollow" class="external text" href="https://www.windowscentral.com/windows-10x-single-screen-laptops-confirmed">"Windows 10X will now launch first on single-screen PCs"</a>. <i>Windows Central</i>. 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Retrieved <span class="nowrap">16 July</span> 2021</span>. <q>Checking reports against each other provides the grounds to assume Microsoft kept working on Photon till September 2008.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Microsoft%27s+Project+Photon%3AA+Stunted+Effort+to+Rebuild+Windows+Mobile&rft.date=2019-05-21&rft.aulast=Litvinenko&rft.aufirst=Yuri&rft_id=https%3A%2F%2Ftedium.co%2F2019%2F05%2F16%2Fmicrosoft-windows-mobile-photon-history%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-44"><span class="mw-cite-backlink"><b><a href="#cite_ref-44">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.brighthub.com/mobile/windows-mobile-platform/articles/87651.aspx">"Windows Mobile 7 vs Windows Phone 7"</a>. <i>Popular Pages at brighthub.com</i>. May 20, 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">December 15,</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Popular+Pages+at+brighthub.com&rft.atitle=Windows+Mobile+7+vs+Windows+Phone+7&rft.date=2011-05-20&rft_id=http%3A%2F%2Fwww.brighthub.com%2Fmobile%2Fwindows-mobile-platform%2Farticles%2F87651.aspx&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-45"><span class="mw-cite-backlink"><b><a href="#cite_ref-45">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.neowin.net/news/revealed-original-windows-mobile-7-ui">"Revealed:Original Windows Mobile 7 UI"</a>. <i>neowin.net</i>. 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Future US, Inc<span class="reference-accessdate">. Retrieved <span class="nowrap">16 July</span> 2021</span>. <q>Microsoft had originally planned to ship CShell on Windows 10 Mobile under the codename Pheonix [<i><a href="/wiki/Sic" title="Sic">sic</a></i>], but that plan very quickly went away once the company decided to wind down its existing phone efforts in early 2017.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Windows+Central&rft.atitle=Project+Andromeda%3AThe+secret+history+of+Windows+on+Surface+Duo&rft.date=2020-09-18&rft.aulast=Bowden&rft.aufirst=Zac&rft_id=https%3A%2F%2Fwww.windowscentral.com%2Fsurface-duo-andromeda-windows-core-os&rfr_id=info%3Asid%2Fen.wikipedia.org%3AList+of+Microsoft+Windows+versions" class="Z3988"></span></span> </li> <li id="cite_note-47"><span class="mw-cite-backlink"><b><a href="#cite_ref-47">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBowden2020" class="citation web cs1">Bowden, Zac (September 18, 2020). <a rel="nofollow" class="external text" href="https://www.windowscentral.com/surface-duo-andromeda-windows-core-os">"Project Andromeda:The secret history of Windows on Surface Duo"</a>. <i>Windows Central</i>. 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title="Criticism of Microsoft Windows">Criticism</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/DOS" title="DOS">DOS</a>-based</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_1.0" title="Windows 1.0">1.0</a></li> <li><a href="/wiki/Windows_2.0" title="Windows 2.0">2.0</a></li> <li><a href="/wiki/Windows_2.1" title="Windows 2.1">2.1</a></li> <li><a href="/wiki/Windows_3.0" title="Windows 3.0">3.0</a></li> <li><a href="/wiki/Windows_3.1" title="Windows 3.1">3.1</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Windows_9x" title="Windows 9x">Windows 9x</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_95" title="Windows 95">95</a></li> <li><a href="/wiki/Windows_98" title="Windows 98">98</a></li> <li><a href="/wiki/Windows_Me" title="Windows Me">Me</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Windows_NT" title="Windows NT">Windows NT</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Base <br /> releases</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_NT_3.1" title="Windows NT 3.1">NT 3.1</a></li> <li><a href="/wiki/Windows_NT_3.5" title="Windows NT 3.5">NT 3.5</a></li> <li><a href="/wiki/Windows_NT_3.51" title="Windows NT 3.51">NT 3.51</a></li> <li><a href="/wiki/Windows_NT_4.0" title="Windows NT 4.0">NT 4.0</a></li> <li><a href="/wiki/Windows_2000" title="Windows 2000">2000</a></li> <li><a href="/wiki/Windows_XP" title="Windows XP">XP</a> <ul><li><a href="/wiki/Windows_XP_Professional_x64_Edition" title="Windows XP Professional x64 Edition">Pro x64</a></li> <li><a href="/wiki/Windows_XP_Media_Center_Edition" title="Windows XP Media Center Edition">Media Center</a></li></ul></li> <li><a href="/wiki/Windows_Vista" title="Windows Vista">Vista</a></li> <li><a href="/wiki/Windows_7" title="Windows 7">7</a></li> <li><a href="/wiki/Windows_8" title="Windows 8">8</a> / <a href="/wiki/Windows_8.1" title="Windows 8.1">8.1</a></li> <li><a href="/wiki/Windows_10" title="Windows 10">10</a></li> <li><a href="/wiki/Windows_11" title="Windows 11">11</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Windows_Server" title="Windows Server">Windows <br /> Server</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_Server_2003" title="Windows Server 2003">Server 2003</a> <ul><li><a href="/wiki/Windows_Home_Server" title="Windows Home Server">Home Server</a></li></ul></li> <li><a href="/wiki/Windows_Server_2008" title="Windows Server 2008">Server 2008</a> <ul><li><a href="/wiki/Windows_Essential_Business_Server_2008" title="Windows Essential Business Server 2008">EBS 2008</a></li> <li><a href="/wiki/Windows_HPC_Server_2008" title="Windows HPC Server 2008">HPC Server 2008</a></li></ul></li> <li><a href="/wiki/Windows_Server_2008_R2" title="Windows Server 2008 R2">Server 2008 R2</a> <ul><li><a href="/wiki/Windows_Home_Server_2011" title="Windows Home Server 2011">Home Server 2011</a></li></ul></li> <li><a href="/wiki/Windows_Server_2012" title="Windows Server 2012">Server 2012</a></li> <li><a href="/wiki/Windows_Server_2012_R2" title="Windows Server 2012 R2">Server 2012 R2</a></li> <li><a href="/wiki/Windows_Server_2016" title="Windows Server 2016">Server 2016</a></li> <li><a href="/wiki/Windows_Server_2019" title="Windows Server 2019">Server 2019</a></li> <li><a href="/wiki/Windows_Server_2022" title="Windows Server 2022">Server 2022</a></li> <li><a href="/wiki/Windows_Server_2025" title="Windows Server 2025">Server 2025</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other <br /> releases</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_Fundamentals_for_Legacy_PCs" title="Windows Fundamentals for Legacy PCs">Fundamentals for Legacy PCs</a></li> <li><a href="/wiki/Windows_RT" title="Windows RT">RT</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Specialized</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_Preinstallation_Environment" title="Windows Preinstallation Environment">Preinstallation Environment</a></li> <li><a href="/wiki/Windows_MultiPoint_Server" title="Windows MultiPoint Server">MultiPoint Server</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Windows_IoT" title="Windows IoT">Windows <br /> Embedded / <br /> Windows IoT</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Windows_Embedded_Compact" title="Windows Embedded Compact">Embedded <br /> Compact</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_CE_5.0" title="Windows CE 5.0">CE 5.0</a></li> <li><a href="/wiki/Windows_Embedded_CE_6.0" title="Windows Embedded CE 6.0">Embedded CE 6.0</a></li> <li><a href="/wiki/Windows_Embedded_Compact_7" title="Windows Embedded Compact 7">Embedded Compact 7</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_Embedded_Automotive" title="Windows Embedded Automotive">Embedded Automotive</a></li> <li><a href="/wiki/Windows_Embedded_Industry" title="Windows Embedded Industry">Embedded Industry</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Windows_Mobile" title="Windows Mobile">Windows Mobile</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pocket_PC_2000" title="Pocket PC 2000">Pocket PC 2000</a></li> <li><a href="/wiki/Pocket_PC_2002" title="Pocket PC 2002">Pocket PC 2002</a></li> <li><a href="/wiki/Windows_Mobile_2003" title="Windows Mobile 2003">Mobile 2003</a></li> <li><a href="/wiki/Windows_Mobile_5.0" title="Windows Mobile 5.0">Mobile 5.0</a></li> <li><a href="/wiki/Windows_Mobile_6.0" title="Windows Mobile 6.0">Mobile 6.0</a></li> <li><a href="/wiki/Windows_Mobile_6.1" title="Windows Mobile 6.1">Mobile 6.1</a></li> <li><a href="/wiki/Windows_Mobile_6.5" title="Windows Mobile 6.5">Mobile 6.5</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Windows_Phone" title="Windows Phone">Windows Phone</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Windows_Phone_7" title="Windows Phone 7">Phone 7</a></li> <li><a href="/wiki/Windows_Phone_8" title="Windows Phone 8">Phone 8</a></li> <li><a href="/wiki/Windows_Phone_8.1" title="Windows Phone 8.1">Phone 8.1</a></li> <li><a href="/wiki/Windows_10_Mobile" title="Windows 10 Mobile">10 Mobile</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Cancelled</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cairo_(operating_system)" title="Cairo (operating system)">Cairo</a></li> <li><a href="/wiki/Windows_Nashville" title="Windows Nashville">Nashville</a></li> <li><a href="/wiki/Windows_Neptune" title="Windows Neptune">Neptune</a></li> <li><a href="/wiki/Windows_Odyssey" title="Windows Odyssey">Odyssey</a></li> <li><a href="/wiki/Windows_Polaris" class="mw-redirect" title="Windows Polaris">Polaris</a></li> <li><a href="/wiki/Windows_10X" title="Windows 10X">10X</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Development <ul><li><a href="/wiki/Development_of_Windows_95" title="Development of Windows 95">95</a></li> <li><a href="/wiki/Development_of_Windows_XP" title="Development of Windows XP">XP</a></li> <li><a href="/wiki/Development_of_Windows_Vista" title="Development of Windows Vista">Vista</a></li></ul></li> <li>Editions <ul><li><a href="/wiki/Windows_XP_editions" title="Windows XP editions">XP</a></li> <li><a href="/wiki/Windows_Vista_editions" title="Windows Vista editions">Vista</a></li> <li><a href="/wiki/Windows_7_editions" title="Windows 7 editions">7</a></li> <li><a href="/wiki/Windows_8_editions" title="Windows 8 editions">8</a></li> <li><a href="/wiki/Windows_10_editions" title="Windows 10 editions">10</a></li> <li><a href="/wiki/Windows_11_editions" class="mw-redirect" title="Windows 11 editions">11</a></li></ul></li> <li>New features <ul><li><a href="/wiki/Features_new_to_Windows_XP" title="Features new to Windows XP">XP</a></li> <li><a href="/wiki/Features_new_to_Windows_Vista" title="Features new to Windows Vista">Vista</a></li> <li><a href="/wiki/Features_new_to_Windows_7" title="Features new to Windows 7">7</a></li> <li><a href="/wiki/Features_new_to_Windows_8" title="Features new to Windows 8">8</a></li> <li><a href="/wiki/Features_new_to_Windows_10" title="Features new to Windows 10">10</a></li> <li><a href="/wiki/Features_new_to_Windows_11" title="Features new to Windows 11">11</a></li></ul></li> <li>Removed features <ul><li><a href="/wiki/List_of_features_removed_in_Windows_XP" title="List of features removed in Windows XP">XP</a></li> <li><a href="/wiki/List_of_features_removed_in_Windows_Vista" title="List of features removed in Windows Vista">Vista</a></li> <li><a href="/wiki/List_of_features_removed_in_Windows_7" title="List of features removed in Windows 7">7</a></li> <li><a href="/wiki/List_of_features_removed_in_Windows_8" title="List of features removed in Windows 8">8</a></li> <li><a href="/wiki/List_of_features_removed_in_Windows_10" title="List of features removed in Windows 10">10</a></li> <li><a href="/wiki/List_of_features_removed_in_Windows_11" title="List of features removed in Windows 11">11</a></li></ul></li> <li><a href="/wiki/Microsoft_Windows_version_history" title="Microsoft Windows version history">Version history</a> <ul><li><a href="/wiki/Windows_Phone_version_history" title="Windows Phone version history">Phone</a></li> <li><a href="/wiki/Windows_10_version_history" title="Windows 10 version history">10</a></li> <li><a href="/wiki/Windows_10_Mobile_version_history" title="Windows 10 Mobile version history">10 Mobile</a></li> <li><a href="/wiki/Windows_11_version_history" title="Windows 11 version history">11</a></li></ul></li> <li><a href="/wiki/Comparison_of_Microsoft_Windows_versions" title="Comparison of Microsoft Windows versions">Version comparison</a> <ul><li><a href="/wiki/Comparison_of_Windows_Vista_and_Windows_XP" title="Comparison of Windows Vista and Windows XP">Vista and XP</a></li></ul></li> <li><a href="/wiki/Criticism_of_Microsoft_Windows" title="Criticism of Microsoft Windows">Criticism</a> <ul><li><a href="/wiki/Criticism_of_Windows_XP" title="Criticism of Windows XP">XP</a></li> <li><a href="/wiki/Criticism_of_Windows_Vista" title="Criticism of Windows Vista">Vista</a></li> <li><a href="/wiki/Criticism_of_Windows_10" title="Criticism of Windows 10">10</a></li></ul></li> <li><a href="/wiki/Windows_for_Pen_Computing" title="Windows for Pen Computing">Windows for Pen Computing</a></li> <li><a href="/wiki/Microsoft_Plus!" title="Microsoft Plus!">Microsoft Plus!</a></li> <li><a href="/wiki/Microsoft_PowerToys" title="Microsoft PowerToys">Microsoft PowerToys</a></li> <li><a href="/wiki/Windows_Server_Essentials" title="Windows Server Essentials">Windows Server Essentials</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="List-Class article"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/16px-Symbol_list_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/23px-Symbol_list_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/31px-Symbol_list_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a class="mw-selflink selflink">List of versions</a></li> <li><span class="noviewer" typeof="mw:File"><span title="List-Class article"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/16px-Symbol_list_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/23px-Symbol_list_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/31px-Symbol_list_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Comparison_of_Microsoft_Windows_versions" title="Comparison of Microsoft Windows versions">Comparison</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Microsoft_Windows" title="Category:Microsoft Windows">Category</a></li></ul> </div></td></tr></tbody></table></div>    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