Firefox 4 and later require at least OS X 10.5 and a Mac with an Intel processor. http://www.mozill

Firefox 4 and later require at least OS X 10.5 and a Mac with an Intel processor.

http://www.mozilla.org/firefox/14.0/system-requirements/

You can find the latest Firefox 3.6.x release in all languages and for all Operating Systems here:

Firefox 3.6.28: http://www.mozilla.org/en-US/firefox/all-older.html

ftp://ftp.mozilla.org/pub/firefox/releases/latest-3.6/