My Firefox Version

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My Firefox Version

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.

My current firefox versionVersionVersionMy Firefox Version

If you are using the latest version of Firefox, you'll see the words Firefox is up to date. Otherwise, Firefox will automatically start downloading the latest update. Check the download progress on the same About window, below the version number. Once the download completes, Firefox will update the next time you open it. Mozilla FireFox 1.5 or 2.0? Should I go for the Mozilla FireFox 2 download? Read my review comparing Mozilla FireFox 1.5 and 2.0. Mozilla FireFox 2.0 or 3.0? I've started a running commentary on Mozilla Firefox 3.0 as I'm trying out the latest 'Modzilla' version. I'll share my experiences with you as I discover the differences both the bad. Check your Firefox version (in the “About Firefox” window) and look for “ (32-bit)” or “ (64-bit)” after the version number: If you see “ (32-bit)” and you are running Firefox 56.0 or older, updating to the latest Firefox version should automatically upgrade you to 64-bit. It stalls at 39.8 Mb: 'Downloading 39.8 of 40.0 Mb'. Even after 10 minutes that message remains. Then, if click Help About Firefox, I get the button 'Restart to update Firefox'. But if I do that, I get the message 'Firefox can't update to the latest version.' And that I would have to download a whole new copy. But I don't want to have to do that!

Click the menu button , click Help and select About Firefox.On the menu bar, click the Firefox menu and select About Firefox. 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:

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. 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 more information, see Update Firefox to the latest release.

Firefox Version Number

Tip: You can also find your Firefox version on the Troubleshooting Information (about:support) page. Your Firefox version is listed underneath the Application Basics section of the page.