We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

how to revert to firefox 3

  • 2 replies
  • 43 have this problem
  • 7 views
  • Last reply by TonyE

more options

I downloaded the new version of Firefox and it won't open on my Mac. How do I revert to the previous version. I am running OSX 10.4.1. Thanks

I downloaded the new version of Firefox and it won't open on my Mac. How do I revert to the previous version. I am running OSX 10.4.1. Thanks

All Replies (2)

more options
more options

mozillamarcia, the OP is using an Intel Mac so they will not be able to use the unofficial version from tenfourfox, as that one requires a PPC mac.