This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

I downloaded the new Firefox 4, and it is not compatible with my current operating system (PowerBook G4 , Mac OS X 10.4.11). I would like the pre-version 4 Firefox. Is it available?

  • 1 svar
  • 47 har dette problemet
  • 22 views
  • Siste svar av cor-el

more options

I updated to Firefox 4, and it is says it is not compatible with my current operating system (PowerBook G4, Mac OS X ver. 10.4.11). How can I download the version available before Firefox 4.

I updated to Firefox 4, and it is says it is not compatible with my current operating system (PowerBook G4, Mac OS X ver. 10.4.11). How can I download the version available before Firefox 4.

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: