Firefox Support

Topics

Explore the knowledge base.

Still need help?

We’re here for you. Post a question to our support forums and get answers from our community of experts.

Ask the Community

Featured Articles

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.

Insecure connection password warning in Firefox

Insecure connection password warning in Firefox

Firefox will show you a "connection is not secure" warning message when a website login page is insecure and information could be stolen.

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

Illustration of community

Join Our Community

Grow and share your expertise with others. Answer questions and improve our knowledge base.

Learn More