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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.

{for linux} {note}'''Note:''' If you use your Linux distribution's packaged version of Firefox, you will need to wait for an updated package to be released to its package repository. This article only applies if you installed Firefox manually (without using your distribution's package manager).{/note} {/for} {for win10,win11} {note}'''Note:''' This article only applies if you installed Firefox by downloading it from Mozilla. If you [[Download Firefox on Windows from the Microsoft Store|installed Firefox from the Microsoft Store]], then you will receive Firefox updates through the Microsoft Store. To check for Firefox updates on the Microsoft Store, see [https://support.microsoft.com/en-us/account-billing/get-updates-for-apps-and-games-in-microsoft-store-a1fe19c0-532d-ec47-7035-d1c5a1dd464f this Microsoft article].{/note} {/for} Firefox updates automatically by default but you can always check for updates at any time. =Update Firefox= #{for win,linux}Click the menu button [[Image:Fx89menuButton]] at the right side of the Firefox toolbar, go to {menu Help}, and select {menu About Firefox}.{/for}{for mac}In the menu bar, open the {menu Firefox} menu and choose {menu About Firefox}.{/for} The {for win,linux}''About Mozilla Firefox''{/for}{for mac}''About Firefox''{/for} window will open. #Firefox will check for updates automatically. If an update is available, it will be downloaded. #;{for win}[[Image:fx91AboutDownloadingUpdate|width=700]]{/for}{for linux}[[Image:fx70Linux-AboutFirefox-Downloading|width=500]]{/for}{for mac}[[Image:fx71macOS-AboutFirefox-Downloading|width=700]]{/for} #When the download is complete, click {button Restart to update Firefox}. #;{for win}[[Image:fx91AboutRestartUpdate|width=700]]{/for}{for linux}[[Image:fx70Linux-AboutFirefox-Restart|width=500]]{/for}{for mac}[[Image:fx71macOS-AboutFirefox-Restart|width=700]]{/for} {note}'''Having problems?'''<br> If you're having problems updating Firefox, download the [https://www.mozilla.org/firefox/all/ Firefox installer], then close Firefox and run the installer.<br> All of your data will be preserved.{/note} =Configure how Firefox installs updates= #[[T:optionspreferences]] #In the {menu General} panel, go to the ''Firefox Updates'' section. ;{for not win}[[Image:Firefox desktop update section]]{/for}{for win}[[Image:Fx132updatesettings-win]]{/for} {for win}{note}'''Note:''' To learn about the option to install updates when Firefox is not running, see [[Enable background updates on Firefox for Windows when Firefox is not running]].{/note}{/for}