Download Firefox Systems and Languages What's New Privacy Give Firefox a tune up Refresh Firefox How does it work? Download a fresh copy Install and update How to install Firefox and keep it up to date सबै All articles and threads In English Update Firefox to the latest release Windows 10 warns me to use a "Microsoft-verified" app Install Firefox on Linux How to install Firefox on Windows Find what version of Firefox you are using How to download and install Firefox on Mac Firefox users on Windows 7, 8 and 8.1 moving to Extended Support Release Download Firefox on Windows from the Microsoft Store Uninstall Firefox from your computer Firefox has ended support for Windows XP and Vista Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release Windows in S mode won't let me install Firefox Recover user data missing after Firefox update What is the Mozilla Maintenance Service? Install an older version of Firefox I found a fake Firefox update How do I tell if I have the 32-bit or 64-bit Firefox? Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release Will Firefox version 100 work on Windows 7? Firefox release notes - What's new and known issues