Find what version of Firefox you are using

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  • Revision id: 14946
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  • Creator: scoobidiver
  • Comment: rewritten introduction, added fx4 step & screenshot for Windows, added summary
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It is often important to know which version of Firefox you are using. This article shows you how to find your Firefox version.

You can find out which version you are using in the About Mozilla Firefox window:

  1. At the top of the Firefox window, click the Firefox button, go over to the Help menu and select About Firefox. For Windows XP: Go to the Help menu and select About Firefox.On the menu bar, click the Firefox menu and select About Firefox.At the top of the Firefox window, click the Help menu and select About Firefox.
  1. At the top of the Firefox window, click the Help menu and select About Firefox.On the menu bar, click the Help menu and select About Firefox.

A window like the one below will appear. Your version number is listed underneath the Firefox name. Finding Version - Win

197fb642bdcf21def28da56e548ab5eb-1266114347-793-1.jpg

To update to the latest version, see Update Firefox to the latest release.