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

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Secure connection and security warning error pages in Firefox

Secure connection and security warning error pages in Firefox

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