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Learn how Firefox will continue supporting Windows 10 after Microsoft ends its updates, and discover the steps Mozilla recommends to keep your browsing experience secure.
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.
Learn how to access and adjust Firefox settings, including privacy, startup behavior, downloads and more.
