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

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Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

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.

Secure connection and security warning error pages in Firefox

Secure connection and security warning error pages in Firefox

If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

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