Install an older version of Firefox

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  • Revision id: 14626
  • Created:
  • Creator: Michael Verdi
  • Comment: Added Template:Only in Fx4 to the top for Fx 3.6 users
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: Cww
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: Yes
  • Readied for localization:
  • Readied for localization by: Cww
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The template "Only in Fx4" does not exist or has no approved revision. This article describes how to install a previous version of Firefox, a process also known as "downgrading". For instructions on how to install a newer version, see Update Firefox to the latest release.


Installing a previous version doesn't fix most problems

Problems with an update are generally not caused by the new version of Firefox, but rather the update process. Installing a previous version will not help in most cases. Instead, see:

Other problems can be solved by creating a new profile.


I still want to downgrade — where can I get the previous version?

If you still want to downgrade to a previous version, you can do so by downloading and running it's installer from this page.

Warning: The previous version will only be maintained with security and stability updates for a short amount of time.