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