After installing Firefox 4 trying to open results in message "you cannot use Firefox 4 with this version of Mac OS X". What version of Mac OS X is required to support Firefox 4?

13 years ago

3/23/11, 5:58 PM

I would like to have Firefox 4 and do not know what else to say.

Answer 1 · 2011-03-23 17:58:00

3/23/11, 6:05 PM

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

Firefox 3.6.16 is the latest version for OS X 10.4

Answer 2 · 2011-03-23 17:58:00

3/24/11, 7:20 PM

This answers the question. Thanks much.