Find what version of Firefox you are using
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It's often important to know what version of Firefox you have to help you troubleshoot a problem or just so you'll know if it's up to date. Here's how to find out.
- At the top of the Firefox window, click the button, go over to the menu and select .At the top of the Firefox window, click the menu and select .Click the menu button
, click help
and select .On the menu bar, click the The About Firefox window will appear. The version number is listed underneath the Firefox name.
menu and select .
Note: Opening the About Firefox window will, by default, start an update check to see if an updated version of Firefox is available. For more information, see Update Firefox to the latest version.
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