Installation and updates Learn how to install your favorite Mozilla products and keep them updated. @ teny Anglisy Install Firefox on Linux Update Firefox to the latest release Update Firefox to prevent add-ons issues from root certificate expiration How to install Firefox on Windows Back up and restore information in Firefox profiles Profiles - Where Firefox stores your bookmarks, passwords and other user data Firefox users on Windows 7, 8 and 8.1 moving to Extended Support Release How to download and install Firefox on Mac Find what version of Firefox you are using Profile Manager - Create, remove or switch Firefox profiles Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release Download Firefox on Windows from the Microsoft Store Run Firefox on ChromeOS Uninstall Firefox from your computer Install an older version of Firefox Firefox has ended support for Windows XP and Vista I found a fake Firefox update Recover user data missing after Firefox update Custom installation of Firefox on Windows Windows in S mode won't let me install Firefox Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release What is the Mozilla Maintenance Service? Importing Safari data into Firefox Windows 10 warns me to use a "Microsoft-verified" app How do I tell if I have the 32-bit or 64-bit Firefox? Resolve “The installation seems to be incomplete/corrupt” error in Firefox on Windows 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) Enable background updates on Firefox for Windows when Firefox is not running Firefox release notes - What's new and known issues