General

Mac OS Versions

Mac OS X 10.4 Tiger PowerPC, Intel
Mac OS X 10.5 Leopard PowerPC, Intel
Mac OS X 10.6 Snow Leopard Intel (PowerPC with Rosetta)
Mac OS X 10.7 Lion Intel
OS X 10.8 Mountain Lion Intel
OS X 10.9 Mavericks Intel
OS X 10.10 Yosemite Intel
OS X 10.11 El Capitan Intel