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