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Windows 10 reached EOS (end of support) on October 14, 2025. For more information, see this article.

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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

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

How to install Firefox on Windows

Install Firefox on Linux

How to download and install Firefox on Mac

Firefox support for Windows 7, 8, and 8.1

Firefox security features warning on Linux

Back up and restore information in Firefox profiles

Download Firefox on Windows from the Microsoft Store

Custom installation of Firefox on Windows

Find what version of Firefox you are using

Uninstall Firefox from your computer

Run Firefox on ChromeOS

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

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

Firefox has ended support for Windows XP and Vista

Recover user data missing after Firefox update

I found a fake Firefox update

Switch from Chrome to Firefox

Troubleshoot Firefox updates and the Helper tool

What is the Mozilla Maintenance Service?

How the Firefox desktop launcher works

Windows in S mode won't let me install Firefox

Importing Safari data into Firefox

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

Install an older version of Firefox

How do I tell if I have the 32-bit or 64-bit Firefox?

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

Firefox has ended support for 32-bit Linux

Firefox update notifications on Windows

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

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)

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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