Build list legend
|Version of Mac OS X|
|Architecture||PPC, i386[note 1]|
Mac OS X Server 1.x
Mac OS X Public Beta
Mac OS X Cheetah (10.0) is the first retail release of Mac OS X, which was released on 24 March 2001. Most builds of Cheetah were compiled for PPC (for public use) and x86 (for testing purposes for the upcoming partnership with Intel, which would continue until the announcement in 2005).