Frequent 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 CommunityFeatured Articles
Secure connection failed and Firefox did not connect
If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.
Enhanced Tracking Protection in Firefox for desktop
Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.
How to change your default browser in Windows 10
Learn how to make Firefox your default browser in Windows 10.
Get started with Firefox - An overview of the main features
Learn about the basic features of Firefox (bookmarks, tabs, search, add-ons, page actions and more) and find links to more articles to explore.
Join Our Community
Grow and share your expertise with others. Answer questions and improve our knowledge base.