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