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

How can Firefox state that it is going to discontinue support for 3.6.17 when Mac OS 10.4.X cannot accept Firefox 4? This whole situation is crazy. Someone at Firefox please correct this insanity.

  • 1 reply
  • 5 have this problem
  • 1 view
  • Last reply by TonyE

more options

WE cannot download Firefox 4 because it is not compatible with Mac OS 10.4.11.

WE cannot download Firefox 4 because it is not compatible with Mac OS 10.4.11.

All Replies (1)

more options

There is a third party version of Firefox 4 that runs on OS X 10.4/10.5 and PPC Macs, for details see http://www.floodgap.com/software/tenfourfox