Install an older version of Firefox

Revision Information
  • Revision id: 14560
  • Created:
  • Creator: Michael Verdi
  • Comment: reworded section and included Template:UpdateProblems as I suggested https://support.mozilla.com/en-US/forums/knowledge-base-articles/706645#post-39759
  • Reviewed: No
  • Ready for localization: No
Revision Source
Revision Content

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.