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

Why won't FF4 work on my Mac 0s X 10.4.11 version?

  • 1 reply
  • 20 have this problem
  • 7 views
  • Last reply by cor-el

more options

I can download the new FF4 but when I try to open it, I get the message that my Mac OS X 10.4.11 will not support the program.

I can download the new FF4 but when I try to open it, I get the message that my Mac OS X 10.4.11 will not support the program.

All Replies (1)

more options

Firefox 4 requires at least OS X 10.5 and an Intel Mac.

For Mac OS X 10.4.11 or Mac OS X 10.5.8 you can look at:

Firefox 3.6.x can be found here: