Installation and updates Learn how to install your favorite Mozilla products and keep them updated. In English Update Firefox to the latest release How to install Firefox on Windows Firefox support for Windows 7, 8 and 8.1 Windows 10 warns me to use a "Microsoft-verified" app Install Firefox on Linux How to download and install Firefox on Mac Find what version of Firefox you are using Firefox security features warning on Linux Manually back up and restore Firefox profile data Custom installation of Firefox on Windows Uninstall Firefox from your computer Firefox has ended support for Windows XP and Vista Switch from Chrome to Firefox Download Firefox on Windows from the Microsoft Store I found a fake Firefox update Troubleshoot Firefox updates and the Helper tool Install an older version of Firefox Recover user data missing after Firefox update or reinstall Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release Run Firefox on ChromeOS Importing Safari data into Firefox What is the Mozilla Maintenance Service? Why do I get a harmful download message when downloading Firefox on Windows? Firefox has ended support for 32-bit Linux Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release How the Firefox desktop launcher works How do I tell if I have the 32-bit or 64-bit Firefox? Windows in S mode won't let me install Firefox Enable background updates on Firefox for Windows when Firefox is not running Firefox update notifications on Windows Solutions for "Can not create temp folder archive" error when installing Firefox (Windows 10) Update Firefox to prevent add-ons issues from root certificate expiration 64-bit Firefox crashes with Citrix's XenApp VM Supported platforms and system requirements Resolve “The installation seems to be incomplete/corrupt” error in Firefox on Windows What Windows 10 end of support means for Firefox users Fix “Support ending for Intel-based Apps” warning in Firefox for macOS Firefox release notes - What's new and known issues