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Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Firefox
Installation and updates

Installation and updates

Learn how to install your favorite Mozilla products and keep them updated.

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Update Firefox to the latest release

What Windows 10 end of support means for Firefox users

Firefox security features warning on Linux

Firefox support for Windows 7, 8 and 8.1

Find what version of Firefox you are using

Back up and restore information in Firefox profiles

Install Firefox on Linux

How to install Firefox on Windows

Windows 10 warns me to use a "Microsoft-verified" app

Download Firefox on Windows from the Microsoft Store

Enable background updates on Firefox for Windows when Firefox is not running

How to download and install Firefox on Mac

Switch from Chrome to Firefox

I found a fake Firefox update

Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release

Troubleshoot Firefox updates and the Helper tool

Firefox has ended support for Windows XP and Vista

Custom installation of Firefox on Windows

Recover user data missing after Firefox update

What is the Mozilla Maintenance Service?

Firefox has ended support for 32-bit Linux

Uninstall Firefox from your computer

Install an older version of Firefox

Windows in S mode won't let me install Firefox

How the Firefox desktop launcher works

Firefox update notifications on Windows

Why do I get a harmful download message when downloading Firefox on Windows?

Importing Safari data into Firefox

Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release

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

Run Firefox on ChromeOS

Solutions for "Can not create temp folder archive" error when installing Firefox (Windows 10)

Update Firefox to prevent add-ons issues from root certificate expiration

Resolve “The installation seems to be incomplete/corrupt” error in Firefox on Windows

Firefox release notes - What's new and known issues

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