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
If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.
Learn how to make Firefox your default browser in Windows 10.
Firefox automatically updates itself by default but you can always do a manual update. Learn how to update Firefox on Windows, Mac or Linux.
This article describes how to download and install Firefox on Windows.