Frequent Topics
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Secure connection failed and Firefox did not connect
If a website requires a secure connection that cannot be established, Firefox will not connect to protect you and will show you an error page. Learn more.
Firefox options, preferences and settings
Settings panels give you access to Firefox settings. This article describes what types of settings are available in each panel.
Add-on Badges
You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.
Update Firefox to the latest release
Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux.
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