Supported Versions of Firefox for Mac Systems
Operating System Latest Software Version
Mac OS X 10.8 (Mountain Lion) (Intel) Firefox 34.0 (Beta 3)
Mac OS X 10.9 (Mavericks) (Intel) Firefox 34.0 (Beta 3)
Mac OS X 10.7 (Lion) (Intel) Firefox 34.0 (Beta 3)
Mac OS X 10.6 (Snow Leopard) (Intel) Firefox 34.0 (Beta 3)
Mac OS X 10.5 Leopard (PowerPC) Firefox 3.6.28
Mac OS X 10.5 Leopard (Intel) Firefox 17.0.6 (ESR)
Mac OS X 10.4 Tiger (PowerPC) Firefox 3.6.28
Mac OS X 10.4 Tiger (Intel) Firefox 3.6.28
Mac OS X 10.3 Panther Mozilla Firefox 2.0.0.20
Mac OS X 10.2 Jaguar Mozilla Firefox 2.0.0.20
Mac OS X 10.1 Puma Mozilla Firefox 1.0.8
If we have made any mistakes please let us know