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