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

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What Windows 10 end of support means for Firefox users

What Windows 10 end of support means for Firefox users

Learn how Firefox will continue supporting Windows 10 after Microsoft ends its updates, and discover the steps Mozilla recommends to keep your browsing experience secure.

Update Firefox to the latest release

Update Firefox to the latest release

Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac or Linux.

Secure connection and security warning error pages in Firefox

Secure connection and security warning error pages in Firefox

Learn why Firefox blocks insecure connections and what you can do when a security warning appears.

Customize Firefox controls, buttons and toolbars

Customize Firefox controls, buttons and toolbars

Firefox offers many ways to make your browsing experience your own. Learn how to customize the browser’s controls, buttons and toolbars.