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Download and test future releases of Firefox for desktop, Android and iOS.
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class="m24-c-menu-item-title">Firefox blog</h2> </a> </section> </li> </ul> </div> </div><!-- close .m24-c-menu-panel-container --> </div><!-- close .m24-c-menu-panel --> </li><!-- close firefox --> <li class="m24-c-menu-category mzp-has-drop-down mzp-js-expandable"> <a class="m24-c-menu-title" href="/en-US/products/" aria-haspopup="true" aria-controls="m24-c-menu-panel-products" data-testid="m24-navigation-link-products">Products</a> <div class="m24-c-menu-panel" id="m24-c-menu-panel-products" data-testid="m24-navigation-menu-products"> <div class="m24-c-menu-panel-container"> <button class="m24-c-menu-button-close" type="button" aria-controls="m24-c-menu-panel-products">Close Products menu</button> <div class="m24-c-menu-panel-content"> <ul class="m24-mzp-l-content"> <li> <section class="m24-c-menu-item mzp-has-icon"> <a class="m24-c-menu-item-link" href="/en-US/products/vpn/" data-link-text="Mozilla VPN" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/mozilla/vpn/logo.c648f487bfb8.svg" class="m24-c-menu-item-icon" width="32" height="32" alt=""> <h2 class="m24-c-menu-item-title">Mozilla VPN</h2> </a> </section> </li> <li> <section class="m24-c-menu-item mzp-has-icon"> <a class="m24-c-menu-item-link" href="https://monitor.mozilla.org/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=products" data-link-text="Mozilla Monitor" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/firefox/monitor/logo.d97e5516f9e6.svg" class="m24-c-menu-item-icon" width="32" height="32" alt=""> <h2 class="m24-c-menu-item-title">Mozilla Monitor</h2> </a> </section> </li> <li> <section class="m24-c-menu-item mzp-has-icon"> <a class="m24-c-menu-item-link" href="https://relay.firefox.com/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=products" data-link-text="Firefox Relay" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/firefox/relay/logo-white.d42a8b52e44c.svg" class="m24-c-menu-item-icon" width="32" height="32" alt=""> <h2 class="m24-c-menu-item-title">Firefox Relay</h2> </a> </section> </li> <li> <section class="m24-c-menu-item mzp-has-icon"> <a class="m24-c-menu-item-link" href="https://getpocket.com/firefox_learnmore/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=products" data-link-text="Pocket" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/pocket/logo.17446bc33a5d.svg" class="m24-c-menu-item-icon" width="32" height="32" alt=""> <h2 class="m24-c-menu-item-title">Pocket</h2> </a> </section> </li> <li> <section class="m24-c-menu-item mzp-has-icon"> <a class="m24-c-menu-item-link" href="https://developer.mozilla.org/plus?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=products" data-link-text="MDN Plus" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/img/logos/mdn/mdn-plus-logo.c615b46ca4ce.svg" class="m24-c-menu-item-icon" width="32" height="32" alt=""> <h2 class="m24-c-menu-item-title">MDN Plus</h2> </a> </section> </li> <li> <section class="m24-c-menu-item mzp-has-icon"> <a class="m24-c-menu-item-link" href="https://fakespot.com/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=products" data-link-text="Fakespot" data-link-position="topnav - products" aria-labelledby="fakespot-aria-hint"> <img loading="lazy" src="https://www.mozilla.org/media/img/logos/fakespot/logo-blue.3973b8fe9631.svg" class="m24-c-menu-item-icon" width="32" height="32" alt=""> <h2 class="m24-c-menu-item-title" aria-labelledby="fakespot-aria-hint">Fakespot</h2> <span id="fakespot-aria-hint" aria-label="fake spot"></span> </a> </section> </li> <li> <section class="m24-c-menu-item mzp-has-icon"> <a class="m24-c-menu-item-link" href="https://www.thunderbird.net/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=products" data-link-text="Thunderbird" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/img/logos/thunderbird/logo-thunderbird.121e9c0fed45.svg" class="m24-c-menu-item-icon" width="32" height="32" alt=""> <h2 class="m24-c-menu-item-title">Thunderbird</h2> </a> </section> </li> </ul> <p class="m24-c-menu-category-link"> <a href="/en-US/products/" data-link-text="Go to all browsers and products" data-link-position="topnav - products"> All products <svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" width="24" height="24" viewBox="0 0 23.4 24" fill="currentColor"> <path d="M23.4 12 9.1 0v10.5H0v3h9.1V24l14.3-12zm-11.3-1.5v-4l6.6 5.5-6.6 5.5v-7z"/> </svg> </a> </p> </div> </div><!-- close .m24-c-menu-panel-container --> </div><!-- close .m24-c-menu-panel --> </li><!-- close products --> <li class="m24-c-menu-category mzp-has-drop-down mzp-js-expandable"> <a class="m24-c-menu-title" href="/en-US/about/" aria-haspopup="true" aria-controls="m24-c-menu-panel-about" data-testid="m24-navigation-link-about-us">About us</a> <div class="m24-c-menu-panel" id="m24-c-menu-panel-about" data-testid="m24-navigation-menu-about-us"> <div class="m24-c-menu-panel-container"> <button class="m24-c-menu-button-close" type="button" aria-controls="m24-c-menu-panel-about">Close About us menu</button> <div class="m24-c-menu-panel-content multi-column"> <div class="m24-mzp-l-content-container"> <p>Our Mission</p> <ul class="m24-mzp-l-content"> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="/en-US/about/" data-link-text="About Mozilla" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">About Mozilla</h2> </a> </section> </li> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="/en-US/about/manifesto/" data-link-text="The Mozilla manifesto" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">The Mozilla Manifesto</h2> </a> </section> </li> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="/en-US/contribute/" data-link-text="Get Involved" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">Get Involved</h2> </a> </section> </li> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="https://future.mozilla.org/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=about-us" data-link-text="Innovation Projects" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">Innovation Projects</h2> </a> </section> </li> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="https://blog.mozilla.org/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=about-us" data-link-text="Blog" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">Blog</h2> </a> </section> </li> </ul> </div> <div class="m24-mzp-l-content-container"> <p>Our Work</p> <ul class="m24-mzp-l-content"> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="https://foundation.mozilla.org/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=about-us" data-link-text="Mozilla Foundation" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">Mozilla Foundation</h2> </a> </section> </li> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="https://www.mozilla.ai/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=about-us" data-link-text="Mozilla.ai" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">Mozilla.ai</h2> </a> </section> </li> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="https://mozilla.vc/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=about-us" data-link-text="Mozilla Ventures" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">Mozilla Ventures</h2> </a> </section> </li> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="/en-US/advertising/" data-link-text="Mozilla Advertising" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">Mozilla Advertising</h2> </a> </section> </li> <li> <section class="m24-c-menu-item"> <a class="m24-c-menu-item-link" href="https://builders.mozilla.org/?utm_source=www.mozilla.org&utm_medium=referral&utm_campaign=nav&utm_content=about-us" data-link-text="Mozilla Builders" data-link-position="topnav - about"> <h2 class="m24-c-menu-item-title">Mozilla Builders</h2> </a> </section> </li> </ul> </div> </div> </div><!-- close .m24-c-menu-panel-container --> </div><!-- close .m24-c-menu-panel --> </li><!-- close about us --> </ul> </div> </div><!-- close .m24-c-navigation-menu --> </div><!-- close .m24-c-navigation-items --> <blink class="spacer-gif"></blink> </div><!-- close .m24-c-navigation-container --> </div><!-- close .m24-c-navigation-l-content --> </nav> <nav class="c-sub-navigation" aria-labelledby="c-sub-navigation-title"> <div class="mzp-l-content"> <div class="c-sub-navigation-content"> <h2 id="c-sub-navigation-title" class="c-sub-navigation-title"> <a href="/en-US/firefox/" data-link-position="subnav" data-link-text="Firefox"> <img class="c-sub-navigation-icon" src="https://www.mozilla.org/media/protocol/img/logos/firefox/logo.fedb52c912d6.svg" width="24" height="24" alt=""> Firefox </a> </h2> <div class="c-sub-navigation-mobile-toggle is-summary" data-testid="sub-navigation-mobile-toggle"> <span>Menu</span> </div> <ul class="c-sub-navigation-list is-details is-closed" data-testid="sub-navigation-menu"> <li class="c-sub-navigation-item"> <a href="/en-US/firefox/channel/desktop/" data-link-position="subnav" data-link-text="Nightly and Beta" aria-current="page" > Nightly and Beta </a> </li> <li class="c-sub-navigation-item"> <a href="/en-US/firefox/channel/android/" data-link-position="subnav" data-link-text="Android Nightly and Beta" > Android Nightly and Beta </a> </li> <li class="c-sub-navigation-item"> <a href="/en-US/firefox/channel/ios/" data-link-position="subnav" data-link-text="iOS TestFlight" > iOS TestFlight </a> </li> </ul> </div> </div> </nav> <div id="outer-wrapper"> <main> <section class="mzp-c-callout mzp-t-hero mzp-t-firefox mzp-t-product-firefox mzp-t-background-secondary"> <div class="mzp-l-content mzp-t-content-lg "> <div class="mzp-t-callout-brand mzp-c-logo mzp-t-logo-xl mzp-t-product-firefox"></div> <h1 class="mzp-c-callout-title">Take a browse on the wild side.</h1> <p class="mzp-c-callout-desc">Be among the first to explore future releases of Firefox for desktop, Android and iOS.</p> </div> </section> <section id="beta" class="mzp-is-anchor-link"> <section class="mzp-c-callout mzp-l-compact mzp-t-product-beta mzp-t-firefox"> <div class="mzp-l-content mzp-t-content-lg"> <div class="mzp-c-callout-content mzp-c-callout-content-has-brand"> <div class="mzp-t-callout-compact-brand mzp-c-logo mzp-t-logo-xl mzp-t-product-beta"></div> <div class="mzp-c-callout-container"> <h2 class="mzp-c-callout-title">Beta</h2> <p class="mzp-c-callout-desc">Test about-to-be-released features in the most stable pre-release build.</p> </div> </div> <div class="mzp-c-callout-cta"> <div class="mzp-c-callout-cta-container"> <div id="desktop-beta-download" class="download-button download-button-beta download-button-desktop mzp-c-button-download-container"> <div class="nojs-download"> <div class="download download-dumb"> <p role="heading" class="download-heading"> Firefox Beta — English (US) </p> <ul> <li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64" data-cta-text="Download Firefox for Windows 64-bit" data-cta-type="firefox">Windows 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-msi-latest-ssl&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-cta-type="firefox">Windows 64-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win64-aarch64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-cta-type="firefox">Windows ARM64/AArch64</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win" data-cta-text="Download Firefox for Windows 32-bit" data-cta-type="firefox">Windows 32-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-msi-latest-ssl&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-cta-type="firefox">Windows 32-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=osx&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-cta-type="firefox">macOS</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=linux64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-cta-type="firefox">Linux 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=linux&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-cta-type="firefox">Linux 32-bit</a> </li> </ul> </div> </div> <div class="unrecognized-download" data-nosnippet="true"> <p>Your system may not meet the requirements for Firefox, but you can try one of these versions:</p> <div class="download download-dumb"> <p role="heading" class="download-heading"> Firefox Beta — English (US) </p> <ul> <li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64" data-cta-text="Download Firefox for Windows 64-bit" data-cta-type="firefox">Windows 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-msi-latest-ssl&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-cta-type="firefox">Windows 64-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win64-aarch64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-cta-type="firefox">Windows ARM64/AArch64</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win" data-cta-text="Download Firefox for Windows 32-bit" data-cta-type="firefox">Windows 32-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-msi-latest-ssl&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-cta-type="firefox">Windows 32-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=osx&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-cta-type="firefox">macOS</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=linux64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-cta-type="firefox">Linux 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=linux&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-cta-type="firefox">Linux 32-bit</a> </li> </ul> </div> </div> <div class="fx-unsupported-message win" data-nosnippet="true"> <p><strong>Firefox Beta is <a href="https://support.mozilla.org/kb/firefox-users-windows-7-8-and-81-moving-extended-support">no longer supported</a> on Windows 8.1 and below.</strong></p> <p>Please download Firefox ESR (Extended Support Release) to use Firefox.</p> <div class="download-platform-list"> <p> <a class="mzp-c-button mzp-t-product download-link os_win64 ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win64&lang=en-US" data-download-version="win64" data-cta-text="Download Firefox Extended Support Release 64-bit" data-cta-type="firefox"> Download Firefox ESR 64-bit </a> </p> <p> <a class="mzp-c-button mzp-t-product download-link os_win ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win&lang=en-US" data-download-version="win" data-cta-text="Download Firefox Extended Support Release 32-bit" data-cta-type="firefox"> Download Firefox ESR 32-bit </a> </p> <small class="fx-unsupported-message-all-link"> <a href="/en-US/firefox/all/desktop-esr/"> Download a different build </a> </small> </div> </div> <div class="fx-unsupported-message mac" data-nosnippet="true"> <p><strong>Firefox Beta is <a href="https://support.mozilla.org/kb/firefox-users-macos-1012-1013-1014-moving-to-extended-support">no longer supported</a> on macOS 10.14 and below.</strong></p> <p>Please download Firefox ESR (Extended Support Release) to use Firefox.</p> <div class="download-platform-list"> <a class="mzp-c-button mzp-t-product download-link ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=osx&lang=en-US" data-download-version="osx" data-cta-text="Firefox Extended Support Release MacOS" data-cta-type="firefox"> Download Firefox ESR </a> </div> </div> <ul class="download-list"> <li class="os_win64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-beta-download-win64" href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win64&lang=en-US" data-download-version="win64" data-cta-text="Download Firefox for Windows 64-bit" data-testid="desktop-beta-download-win64" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win64-msi"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-beta-download-win64-msi" href="https://download.mozilla.org/?product=firefox-beta-msi-latest-ssl&os=win64&lang=en-US" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-testid="desktop-beta-download-win64-msi" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win64-aarch64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-beta-download-win64-aarch64" href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win64-aarch64&lang=en-US" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-testid="desktop-beta-download-win64-aarch64" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-beta-download-win" href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=win&lang=en-US" data-download-version="win" data-cta-text="Download Firefox for Windows 32-bit" data-testid="desktop-beta-download-win" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win-msi"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-beta-download-win-msi" href="https://download.mozilla.org/?product=firefox-beta-msi-latest-ssl&os=win&lang=en-US" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-testid="desktop-beta-download-win-msi" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_osx"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-beta-download-osx" href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=osx&lang=en-US" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-testid="desktop-beta-download-osx" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_linux64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-beta-download-linux64" href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=linux64&lang=en-US" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-testid="desktop-beta-download-linux64" data-cta-type="firefox" > <strong class="download-title"> Download for Linux 64-bit </strong> </a> </li> <li class="os_linux"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-beta-download-linux" href="https://download.mozilla.org/?product=firefox-beta-latest-ssl&os=linux&lang=en-US" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-testid="desktop-beta-download-linux" data-cta-type="firefox" > <strong class="download-title"> Download for Linux 32-bit </strong> </a> </li> </ul> <small class="fx-privacy-link mzp-c-button-download-privacy-link"> <a href="/en-US/privacy/firefox/"> Firefox Privacy Notice </a> </small> </div> </div> </div> </div> </section> <div class="l-notes mzp-l-content"> <ul> <li><a href="/en-US/firefox/beta/notes/">Release Notes</a></li> <li> <a href="/en-US/firefox/all/desktop-beta/"> All Languages and Platforms </a> </li> </ul> <p> Beta is an unstable testing and development platform. By default, Beta sends data to Mozilla — and sometimes our partners — to help us handle problems and try ideas. <a href="/en-US/privacy/firefox/#pre-release">Learn what is shared</a>. </p> <p> <a rel="external" href="https://twitter.com/firefoxbeta">Give us feedback</a> to help us put the final tweaks on performance and functionality in a stable environment. </p> </div> </section> <section id="developer" class="mzp-is-anchor-link"> <section class="mzp-c-callout mzp-l-compact mzp-t-product-developer mzp-t-firefox"> <div class="mzp-l-content mzp-t-content-lg"> <div class="mzp-c-callout-content mzp-c-callout-content-has-brand"> <div class="mzp-t-callout-compact-brand mzp-c-logo mzp-t-logo-xl mzp-t-product-developer"></div> <div class="mzp-c-callout-container"> <h2 class="mzp-c-callout-title">Developer Edition</h2> <p class="mzp-c-callout-desc">Build, test, scale and more with the only browser built just for developers.</p> </div> </div> <div class="mzp-c-callout-cta"> <div class="mzp-c-callout-cta-container"> <div id="desktop-developer-download" class="download-button download-button-alpha download-button-desktop mzp-c-button-download-container"> <div class="nojs-download"> <div class="download download-dumb"> <p role="heading" class="download-heading"> <span>Firefox</span> Developer Edition — English (US) </p> <ul> <li><a href="https://download.mozilla.org/?product=firefox-devedition-stub&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64" data-cta-text="Download Firefox for Windows 64-bit" data-cta-type="firefox">Windows 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-msi-latest-ssl&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-cta-type="firefox">Windows 64-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=win64-aarch64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-cta-type="firefox">Windows ARM64/AArch64</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-stub&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win" data-cta-text="Download Firefox for Windows 32-bit" data-cta-type="firefox">Windows 32-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-msi-latest-ssl&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-cta-type="firefox">Windows 32-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=osx&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-cta-type="firefox">macOS</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-cta-type="firefox">Linux 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-cta-type="firefox">Linux 32-bit</a> </li> </ul> </div> </div> <div class="unrecognized-download" data-nosnippet="true"> <p>Your system may not meet the requirements for Firefox, but you can try one of these versions:</p> <div class="download download-dumb"> <p role="heading" class="download-heading"> <span>Firefox</span> Developer Edition — English (US) </p> <ul> <li><a href="https://download.mozilla.org/?product=firefox-devedition-stub&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64" data-cta-text="Download Firefox for Windows 64-bit" data-cta-type="firefox">Windows 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-msi-latest-ssl&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-cta-type="firefox">Windows 64-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=win64-aarch64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-cta-type="firefox">Windows ARM64/AArch64</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-stub&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win" data-cta-text="Download Firefox for Windows 32-bit" data-cta-type="firefox">Windows 32-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-msi-latest-ssl&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-cta-type="firefox">Windows 32-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=osx&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-cta-type="firefox">macOS</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-cta-type="firefox">Linux 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-cta-type="firefox">Linux 32-bit</a> </li> </ul> </div> </div> <div class="fx-unsupported-message win" data-nosnippet="true"> <p><strong>Firefox Developer Edition is <a href="https://support.mozilla.org/kb/firefox-users-windows-7-8-and-81-moving-extended-support">no longer supported</a> on Windows 8.1 and below.</strong></p> <p>Please download Firefox ESR (Extended Support Release) to use Firefox.</p> <div class="download-platform-list"> <p> <a class="mzp-c-button mzp-t-product download-link os_win64 ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win64&lang=en-US" data-download-version="win64" data-cta-text="Download Firefox Extended Support Release 64-bit" data-cta-type="firefox"> Download Firefox ESR 64-bit </a> </p> <p> <a class="mzp-c-button mzp-t-product download-link os_win ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win&lang=en-US" data-download-version="win" data-cta-text="Download Firefox Extended Support Release 32-bit" data-cta-type="firefox"> Download Firefox ESR 32-bit </a> </p> <small class="fx-unsupported-message-all-link"> <a href="/en-US/firefox/all/desktop-esr/"> Download a different build </a> </small> </div> </div> <div class="fx-unsupported-message mac" data-nosnippet="true"> <p><strong>Firefox Developer Edition is <a href="https://support.mozilla.org/kb/firefox-users-macos-1012-1013-1014-moving-to-extended-support">no longer supported</a> on macOS 10.14 and below.</strong></p> <p>Please download Firefox ESR (Extended Support Release) to use Firefox.</p> <div class="download-platform-list"> <a class="mzp-c-button mzp-t-product download-link ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=osx&lang=en-US" data-download-version="osx" data-cta-text="Firefox Extended Support Release MacOS" data-cta-type="firefox"> Download Firefox ESR </a> </div> </div> <ul class="download-list"> <li class="os_win64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-developer-download-win64" href="https://download.mozilla.org/?product=firefox-devedition-stub&os=win64&lang=en-US" data-download-version="win64" data-cta-text="Download Firefox for Windows 64-bit" data-testid="desktop-developer-download-win64" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win64-msi"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-developer-download-win64-msi" href="https://download.mozilla.org/?product=firefox-devedition-msi-latest-ssl&os=win64&lang=en-US" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-testid="desktop-developer-download-win64-msi" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win64-aarch64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-developer-download-win64-aarch64" href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=win64-aarch64&lang=en-US" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-testid="desktop-developer-download-win64-aarch64" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-developer-download-win" href="https://download.mozilla.org/?product=firefox-devedition-stub&os=win&lang=en-US" data-download-version="win" data-cta-text="Download Firefox for Windows 32-bit" data-testid="desktop-developer-download-win" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win-msi"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-developer-download-win-msi" href="https://download.mozilla.org/?product=firefox-devedition-msi-latest-ssl&os=win&lang=en-US" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-testid="desktop-developer-download-win-msi" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_osx"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-developer-download-osx" href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=osx&lang=en-US" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-testid="desktop-developer-download-osx" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_linux64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-developer-download-linux64" href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux64&lang=en-US" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-testid="desktop-developer-download-linux64" data-cta-type="firefox" > <strong class="download-title"> Download for Linux 64-bit </strong> </a> </li> <li class="os_linux"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-developer-download-linux" href="https://download.mozilla.org/?product=firefox-devedition-latest-ssl&os=linux&lang=en-US" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-testid="desktop-developer-download-linux" data-cta-type="firefox" > <strong class="download-title"> Download for Linux 32-bit </strong> </a> </li> </ul> <small class="fx-privacy-link mzp-c-button-download-privacy-link"> <a href="/en-US/privacy/firefox/"> Firefox Privacy Notice </a> </small> </div> </div> </div> </div> </section> <div class="l-notes mzp-l-content"> <p class="show-linux">Using Debian, Ubuntu or any Debian-based distribution?<br> You can set up our <a href="https://support.mozilla.org/products/firefox/install-and-update-firefox" rel="external noopener" data-cta-text="Get help with your installation">APT repository instead</a>.</p> <ul> <li><a href="/en-US/firefox/developer/notes/">Release Notes</a></li> <li><a href="/en-US/firefox/developer/">Learn more</a></li> <li> <a href="/en-US/firefox/all/desktop-developer/"> All Languages and Platforms </a> </li> </ul> <p> Developer Edition is an unstable testing and development platform. By default, Developer Edition sends data to Mozilla — and sometimes our partners — to help us handle problems and try ideas. <a href="/en-US/privacy/firefox/#pre-release">Learn what is shared</a>. </p> </div> </section> <section id="nightly" class="mzp-is-anchor-link"> <section class="mzp-c-callout mzp-l-compact mzp-t-product-nightly mzp-t-firefox"> <div class="mzp-l-content mzp-t-content-lg"> <div class="mzp-c-callout-content mzp-c-callout-content-has-brand"> <div class="mzp-t-callout-compact-brand mzp-c-logo mzp-t-logo-xl mzp-t-product-nightly"></div> <div class="mzp-c-callout-container"> <h2 class="mzp-c-callout-title">Nightly</h2> <p class="mzp-c-callout-desc">Get a sneak peek at our next generation web browser, and help us make it the best browser it can be: try Firefox Nightly.</p> </div> </div> <div class="mzp-c-callout-cta"> <div class="mzp-c-callout-cta-container"> <div id="desktop-nightly-download" class="download-button download-button-nightly download-button-desktop mzp-c-button-download-container"> <div class="nojs-download"> <div class="download download-dumb"> <p role="heading" class="download-heading"> Firefox Nightly — English (US) </p> <ul> <li><a href="https://download.mozilla.org/?product=firefox-nightly-stub&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win" data-cta-text="Download Firefox for Windows 32/64-bit" data-cta-type="firefox">Windows 32/64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-msi-latest-ssl&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-cta-type="firefox">Windows 64-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=win64-aarch64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-cta-type="firefox">Windows ARM64/AArch64</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-msi-latest-ssl&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-cta-type="firefox">Windows 32-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=osx&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-cta-type="firefox">macOS</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-cta-type="firefox">Linux 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux64-aarch64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux64-aarch64" data-cta-text="Download Firefox for Linux ARM64/AArch64" data-cta-type="firefox">Linux ARM64/AArch64</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-cta-type="firefox">Linux 32-bit</a> </li> </ul> </div> </div> <div class="unrecognized-download" data-nosnippet="true"> <p>Your system may not meet the requirements for Firefox, but you can try one of these versions:</p> <div class="download download-dumb"> <p role="heading" class="download-heading"> Firefox Nightly — English (US) </p> <ul> <li><a href="https://download.mozilla.org/?product=firefox-nightly-stub&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win" data-cta-text="Download Firefox for Windows 32/64-bit" data-cta-type="firefox">Windows 32/64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-msi-latest-ssl&os=win64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-cta-type="firefox">Windows 64-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=win64-aarch64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-cta-type="firefox">Windows ARM64/AArch64</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-msi-latest-ssl&os=win&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-cta-type="firefox">Windows 32-bit MSI</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=osx&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-cta-type="firefox">macOS</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-cta-type="firefox">Linux 64-bit</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux64-aarch64&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux64-aarch64" data-cta-text="Download Firefox for Linux ARM64/AArch64" data-cta-type="firefox">Linux ARM64/AArch64</a> </li><li><a href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux&lang=en-US" class="download-link mzp-c-button mzp-t-product ga-product-download" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-cta-type="firefox">Linux 32-bit</a> </li> </ul> </div> </div> <div class="fx-unsupported-message win" data-nosnippet="true"> <p><strong>Firefox Nightly is <a href="https://support.mozilla.org/kb/firefox-users-windows-7-8-and-81-moving-extended-support">no longer supported</a> on Windows 8.1 and below.</strong></p> <p>Please download Firefox ESR (Extended Support Release) to use Firefox.</p> <div class="download-platform-list"> <p> <a class="mzp-c-button mzp-t-product download-link os_win64 ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win64&lang=en-US" data-download-version="win64" data-cta-text="Download Firefox Extended Support Release 64-bit" data-cta-type="firefox"> Download Firefox ESR 64-bit </a> </p> <p> <a class="mzp-c-button mzp-t-product download-link os_win ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=win&lang=en-US" data-download-version="win" data-cta-text="Download Firefox Extended Support Release 32-bit" data-cta-type="firefox"> Download Firefox ESR 32-bit </a> </p> <small class="fx-unsupported-message-all-link"> <a href="/en-US/firefox/all/desktop-esr/"> Download a different build </a> </small> </div> </div> <div class="fx-unsupported-message mac" data-nosnippet="true"> <p><strong>Firefox Nightly is <a href="https://support.mozilla.org/kb/firefox-users-macos-1012-1013-1014-moving-to-extended-support">no longer supported</a> on macOS 10.14 and below.</strong></p> <p>Please download Firefox ESR (Extended Support Release) to use Firefox.</p> <div class="download-platform-list"> <a class="mzp-c-button mzp-t-product download-link ga-product-download" href="https://download.mozilla.org/?product=firefox-esr115-latest-ssl&os=osx&lang=en-US" data-download-version="osx" data-cta-text="Firefox Extended Support Release MacOS" data-cta-type="firefox"> Download Firefox ESR </a> </div> </div> <ul class="download-list"> <li class="os_win"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-nightly-download-win" href="https://download.mozilla.org/?product=firefox-nightly-stub&os=win&lang=en-US" data-download-version="win" data-cta-text="Download Firefox for Windows 32/64-bit" data-testid="desktop-nightly-download-win" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win64-msi"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-nightly-download-win64-msi" href="https://download.mozilla.org/?product=firefox-nightly-msi-latest-ssl&os=win64&lang=en-US" data-download-version="win64-msi" data-cta-text="Download Firefox for Windows 64-bit MSI" data-testid="desktop-nightly-download-win64-msi" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win64-aarch64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-nightly-download-win64-aarch64" href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=win64-aarch64&lang=en-US" data-download-version="win64-aarch64" data-cta-text="Download Firefox for Windows ARM64/AArch64" data-testid="desktop-nightly-download-win64-aarch64" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_win-msi"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-nightly-download-win-msi" href="https://download.mozilla.org/?product=firefox-nightly-msi-latest-ssl&os=win&lang=en-US" data-download-version="win-msi" data-cta-text="Download Firefox for Windows 32-bit MSI" data-testid="desktop-nightly-download-win-msi" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_osx"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-nightly-download-osx" href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=osx&lang=en-US" data-download-version="osx" data-cta-text="Download Firefox for macOS" data-testid="desktop-nightly-download-osx" data-cta-type="firefox" > <strong class="download-title"> Download </strong> </a> </li> <li class="os_linux64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-nightly-download-linux64" href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux64&lang=en-US" data-download-version="linux64" data-cta-text="Download Firefox for Linux 64-bit" data-testid="desktop-nightly-download-linux64" data-cta-type="firefox" > <strong class="download-title"> Download for Linux 64-bit </strong> </a> </li> <li class="os_linux64-aarch64"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-nightly-download-linux64-aarch64" href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux64-aarch64&lang=en-US" data-download-version="linux64-aarch64" data-cta-text="Download Firefox for Linux ARM64/AArch64" data-testid="desktop-nightly-download-linux64-aarch64" data-cta-type="firefox" > <strong class="download-title"> Firefox Nightly </strong> </a> </li> <li class="os_linux"> <a class="download-link button mzp-t-xl mzp-c-button mzp-t-product ga-product-download" id="desktop-nightly-download-linux" href="https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux&lang=en-US" data-download-version="linux" data-cta-text="Download Firefox for Linux 32-bit" data-testid="desktop-nightly-download-linux" data-cta-type="firefox" > <strong class="download-title"> Download for Linux 32-bit </strong> </a> </li> </ul> <small class="fx-privacy-link mzp-c-button-download-privacy-link"> <a href="/en-US/privacy/firefox/"> Firefox Privacy Notice </a> </small> </div> </div> </div> </div> </section> <div class="l-notes mzp-l-content"> <p class="show-linux">Using Debian, Ubuntu or any Debian-based distribution?<br> You can set up our <a href="https://support.mozilla.org/products/firefox/install-and-update-firefox" rel="external noopener" data-cta-text="Get help with your installation">APT repository instead</a>.</p> <ul> <li><a href="/en-US/firefox/nightly/notes/">Release Notes</a></li> <li><a rel="external" href="https://blog.nightly.mozilla.org/">Nightly Blog</a></li> <li> <a href="/en-US/firefox/all/desktop-nightly/"> All Languages and Platforms </a> </li> <li><a href="https://ftp.mozilla.org/pub/firefox/nightly/">Previous Nightly Builds</a></li> </ul> <p> Nightly is an unstable testing and development platform. By default, Nightly sends data to Mozilla — and sometimes our partners — to help us handle problems and try ideas. <a href="/en-US/privacy/firefox/#pre-release">Learn what is shared</a>. </p> <p>Note: Firefox Nightly will update approximately once or twice a day.</p> </div> </section> <aside class="mzp-t-picto-center"> <div class="mzp-c-picto"> <img loading="lazy" src="https://www.mozilla.org/media/img/icons/warning.0819e9039243.svg" alt="" class="mzp-c-picto-image" width="44"> <h2 class="mzp-c-picto-heading">See something that isn’t working? 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