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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.

By default, Firefox is set to update automatically but you can always do a manual update. A manual update will still let Firefox download an update but it won't install it until you restart Firefox. Here's how to set it up: {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 win,linux}Click the menu button [[Image:Fx57Menu]], click [[Image:Fx57Help]]Help and select {menu About Firefox}.{/for}{for mac}On the menu bar click the {menu Firefox} menu and select {menu About Firefox}.{/for} #The {for win,linux}'''About Mozilla Firefox'''{/for}{for mac}''About Firefox''{/for} window will open. Firefox will begin checking for updates and downloading them automatically. #;{for win}[[Image:Fx59AboutFirefox-downloadingWin]]{/for}{for linux}[[Image:about-Fx59-downloading]]{/for}{for mac}<!--need Mac image-->{/for}{/for} #When the download is complete, click {button Restart to update Firefox}. #;{for win}[[Image:Fx59AboutFirefox-RestartWin]]{/for}{for linux}[[Image:about-Fx59-restart]]{/for}{for mac}[[Image:Fx57RestartToUpdate-Mac]]{/for} {warning}'''Important:''' If the update didn't start, didn't complete or there was some other problem, you can go to the [https://www.mozilla.org/firefox/all/ Systems & Languages page] to download and install the latest version of Firefox for your system and language or you can use [https://www.mozilla.org/firefox/new/?scene=2#download-fx this download link] (see {for win}[[How to download and install Firefox on Windows]]{/for}{for linux}[[Install Firefox on Linux]]{/for}{for mac}[[How to download and install Firefox on Mac]]{/for} for more information). '''Stay safe:''' Download only from the official Mozilla links above to avoid unwanted programs like [[Troubleshoot Firefox issues caused by malware|malware]]. {/warning} Update settings can be changed in Firefox [[T:optionsorpreferences]]. [[T:optionspreferences]] In the {menu General} panel, scroll down to the ''Firefox Updates'' section.