Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

update my browser

  • 2 replies
  • 0 have this problem
  • 3 views
  • Last reply by cor-el

more options

Update my browser

Update my browser

All Replies (2)

more options

Hi, it looks like you might have the latest version of Firefox for your version of Mac OS.

Ref. Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release

more options

Firefox 78.15.0 is the last version for your Mac OS X platform (update channel: mozilla-mac-eol-esr1) and you will no longer receive updates, so you are out of luck if you can't update your OS. Current releases require Mac OS X 10.12 or newer.

Firefox 78.15.0 on the Mozilla CDN server: