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Find what version of Firefox you are using
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Learn how to find out what Firefox version you are using, to help troubleshoot a problem or just to know if Firefox is up to date.
Learn how to find out what Firefox version you are using, to help troubleshoot a problem or just to know if Firefox is up to date.
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It's often important to know what version of Firefox you are using, to help you troubleshoot a problem or just to know if Firefox is up to date. Here is how you can find out.
{for win,linux}Click the menu button [[Image:Fx57Menu]], click {menu 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 About Firefox window will appear. The version number is listed underneath the Firefox name.
''Here is an example of what the About Firefox window will look like:''
;{for mac}[[Image:Fx86aboutFirefox-mac]]{/for}{for win}[[Image:Fx91AboutFirefoxWindow]]{/for}{for linux}[[Image:Fx86aboutFirefox-linux]]{/for}
Opening the About Firefox window will, by default, start an update check. If an updated version of Firefox is available, it will be automatically downloaded. {for linux}On Linux, this will happen only if you use a build downloaded from Mozilla's website; otherwise, updates will come through your Package Manager. {/for}For more information, see [[Update Firefox to the latest release]].
{note}'''Tip:''' You can also find your Firefox version on the [[Use the Troubleshooting Information page to help fix Firefox issues|Troubleshooting Information]] (about:support) page. Your Firefox version is listed underneath the '''Application Basics''' section of the page.{/note}
It's often important to know what version of Firefox you are using, to help you troubleshoot a problem or just to know if Firefox is up to date. Here is how you can find out.
{for win,linux}Click the menu button [[Image:Fx89menuButton]], click {menu 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 About Firefox window will appear. The version number is listed underneath the Firefox name.
''Here is an example of what the About Firefox window will look like:''
;{for mac}[[Image:Fx86aboutFirefox-mac]]{/for}{for win}[[Image:Fx91AboutFirefoxWindow]]{/for}{for linux}[[Image:Fx86aboutFirefox-linux]]{/for}
Opening the About Firefox window will, by default, start an update check. If an updated version of Firefox is available, it will be automatically downloaded. {for linux}On Linux, this will happen only if you use a build downloaded from Mozilla's website; otherwise, updates will come through your Package Manager. {/for}For more information, see [[Update Firefox to the latest release]].
{note}'''Tip:''' You can also find your Firefox version on the [[Use the Troubleshooting Information page to help fix Firefox issues|Troubleshooting Information]] (about:support) page. Your Firefox version is listed underneath the '''Application Basics''' section of the page.{/note}