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Download Firefox Firefox is no longer supported on Windows 8.1 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR 64-bit Download Firefox ESR 32-bit Download a different build Firefox is no longer supported on macOS 10.14 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR Firefox Privacy Notice Get Mozilla VPN Firefox Browsers Close Firefox Browsers menu Firefox for Desktop Get the not-for-profit-backed browser on Windows, Mac or Linux. Firefox for Android Get the customizable mobile browser for Android smartphones. Firefox for iOS Get the mobile browser for your iPhone or iPad. Firefox Focus Simply private mobile browsing. Firefox Blog Read about new Firefox features and ways to stay safe online. Release Notes Get the details on the latest Firefox updates. 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Mozilla Innovation Projects Discover ways to bring bright ideas to life. Common Voice Donate your voice so the future of the web can hear everyone. Firefox Nightly and Beta Android Nightly and Beta iOS TestFlight Take a browse on the wild side. Be among the first to explore future releases of Firefox for desktop, Android and iOS. Beta Test about-to-be-released features in the most stable pre-release build. Firefox Beta — English (US) Windows 64-bit Windows 64-bit MSI Windows ARM64/AArch64 Windows 32-bit Windows 32-bit MSI macOS Linux 64-bit Linux 32-bit Your system may not meet the requirements for Firefox, but you can try one of these versions: Firefox Beta — English (US) Windows 64-bit Windows 64-bit MSI Windows ARM64/AArch64 Windows 32-bit Windows 32-bit MSI macOS Linux 64-bit Linux 32-bit Firefox Beta is no longer supported on Windows 8.1 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR 64-bit Download Firefox ESR 32-bit Download a different build Firefox Beta is no longer supported on macOS 10.14 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR Download Download Download Download Download Download Download for Linux 64-bit Download for Linux 32-bit Firefox Privacy Notice Release Notes All Languages and Platforms 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. Learn what is shared . Give us feedback to help us put the final tweaks on performance and functionality in a stable environment. Developer Edition Build, test, scale and more with the only browser built just for developers. Firefox Developer Edition — English (US) Windows 64-bit Windows 64-bit MSI Windows ARM64/AArch64 Windows 32-bit Windows 32-bit MSI macOS Linux 64-bit Linux 32-bit Your system may not meet the requirements for Firefox, but you can try one of these versions: Firefox Developer Edition — English (US) Windows 64-bit Windows 64-bit MSI Windows ARM64/AArch64 Windows 32-bit Windows 32-bit MSI macOS Linux 64-bit Linux 32-bit Firefox Developer Edition is no longer supported on Windows 8.1 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR 64-bit Download Firefox ESR 32-bit Download a different build Firefox Developer Edition is no longer supported on macOS 10.14 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR Download Download Download Download Download Download Download for Linux 64-bit Download for Linux 32-bit Firefox Privacy Notice Using Debian, Ubuntu or any Debian-based distribution? You can set up our APT repository instead . Release Notes Learn more All Languages and Platforms 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. Learn what is shared . Nightly Get a sneak peek at our next generation web browser, and help us make it the best browser it can be: try Firefox Nightly. Firefox Nightly — English (US) Windows 32/64-bit Windows 64-bit MSI Windows ARM64/AArch64 Windows 32-bit MSI macOS Linux 64-bit Linux ARM64/AArch64 Linux 32-bit Your system may not meet the requirements for Firefox, but you can try one of these versions: Firefox Nightly — English (US) Windows 32/64-bit Windows 64-bit MSI Windows ARM64/AArch64 Windows 32-bit MSI macOS Linux 64-bit Linux ARM64/AArch64 Linux 32-bit Firefox Nightly is no longer supported on Windows 8.1 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR 64-bit Download Firefox ESR 32-bit Download a different build Firefox Nightly is no longer supported on macOS 10.14 and below. Please download Firefox ESR (Extended Support Release) to use Firefox. Download Firefox ESR Download Download Download Download Download Download for Linux 64-bit Firefox Nightly Download for Linux 32-bit Firefox Privacy Notice Using Debian, Ubuntu or any Debian-based distribution? You can set up our APT repository instead . Release Notes Nightly Blog All Languages and Platforms Previous Nightly Builds 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. Learn what is shared . Note: Firefox Nightly will update approximately once or twice a day. See something that isn’t working? Let us know. 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