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

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Featured Articles

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.

Firefox support for Windows 7, 8 and 8.1

Firefox support for Windows 7, 8 and 8.1

Firefox version 115 ESR will be the last supported release for Windows 7, 8 and 8.1.

Firefox Terms of Use FAQ

Firefox Terms of Use FAQ

Frequently asked questions about Firefox Terms of Use.

Make Firefox your default browser on Windows

Make Firefox your default browser on Windows

Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.

HTTPS · support.mozilla.org
← Home