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Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux.
Learn why you might see time-related errors on HTTPS websites and how you can troubleshoot these errors by correcting your system clock.
If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.
You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.