List of Mac OS versions

Note:'' The headings on this list indicate the Macintosh System bundle names; the bullet points indicate the version of the System File included in that bundle. This is to make it clearer for people searching for specific bundle versions as opposed to System File versions.''  Finder File versions are not indicated.

System File 1

 * System 1.0 (128k / 512k) (also numbered System 0.97)
 * System 1.1 (128k / 512k)

System File 2

 * System 2.0 (128k / 512k)

System File 2

 * System 2.1 (128k / 512k with HD20)

System File 3

 * System 3.0 (128k / 512k / 512ke / Plus)

System File 3

 * System 3.1 (128k / 512k / 512ke / Plus)
 * System 3.2 (128k / 512k / 512ke / Plus)
 * System 3.3 (128k / 512k / 512ke / Plus)
 * System 3.4 (128k / 512k / 512ke / Plus)

System File 4

 * System 4.0 (512k+)
 * System 4.1 (Plus+)

System File 4

 * System 4.2 (Plus+)
 * System 4.3 (Plus+)

System Software 6

 * System 6.0.0 (68k)
 * System 6.0.1 (68k)
 * System 6.0.2 (68k)
 * System 6.0.3 (68k)
 * System 6.0.4 (68k)
 * System 6.0.5 (68k)
 * System 6.0.6 -- never released due to AppleTalk bug
 * System 6.0.7 (68k)
 * System 6.0.8 (68k)
 * System 6.0.8L -- never officially released from Apple

Regular Systems

 * System 7.0 (68k)
 * System 7.0.1 (68k)
 * System 7.1 (68k)
 * System 7.1.1 (68k) (aka System 7 Pro)
 * System 7.1.2 (PPC)
 * System 7.1.2P (68040)
 * System 7.5 (68k / PPC)

Performa Systems

 * System 7.0.1P (68k)
 * System 7.1P (68k)
 * System 7.1P1 (68k)
 * System 7.1P2 (68k)
 * System 7.1P3 (68k)
 * System 7.1P4 (68k)
 * System 7.1P5 (68k)
 * System 7.1P6 (68k)
 * System 7.5 (68k / PPC)

"Mac OS" designation

 * Mac OS 7.5.1 (24/32-bit 68k / PPC)
 * Mac OS 7.5.2 (24/32-bit 68k / PPC)
 * Mac OS 7.5.3 (24/32-bit 68k / PPC)
 * Mac OS 7.5.3L (Specific 68k hardware)
 * Mac OS 7.5.3 Revision 2 (24/32-bit 68k / PPC)
 * Mac OS 7.5.3 Revision 2.1 (24/32-bit 68k / PPC)
 * Mac OS 7.5.3 Revision 2.2 (24/32-bit 68k / PPC)
 * Mac OS 7.5.4 -- never offically released from Apple
 * Mac OS 7.5.5 (24/32-bit 68k / PPC)
 * Mac OS 7.6 (32-bit 68k / PPC) "Harmony"
 * Mac OS 7.6.1 (32-bit 68k / PPC)

Mac OS 8

 * Mac OS 8.0 (32-bit 68k / PPC)
 * Mac OS 8.1 (32-bit 68k / PPC)
 * Mac OS 8.5 (PPC)
 * Mac OS 8.5.1 (PPC)
 * Mac OS 8.6 (PPC)

Mac OS 9

 * Mac OS 9.0.0 (PPC All)
 * Mac OS 9.0.2 (PPC All)
 * Mac OS 9.0.3 (PPC All)
 * Mac OS 9.0.4 (PPC All)
 * Mac OS 9.1 (PPC with MMU)
 * Mac OS 9.2.0 (PPC G3+)
 * Mac OS 9.2.1 (PPC G3+)
 * Mac OS 9.2.2 (PPC G3+)

Mac OS X Server
OS X Server 10.7 and later are software add-ons to the base OS, and do not get their own releases

Mac OS X Developer Preview

 * Mac OS X DP 1
 * Mac OS X DP 2
 * Mac OS X DP 3
 * Mac OS X DP 4

Mac OS X 10.0 "Cheetah"

 * Mac OS X 10.0.0 (PPC G3+)
 * Mac OS X 10.0.1 (PPC G3+)
 * Mac OS X 10.0.2 (PPC G3+)
 * Mac OS X 10.0.3 (PPC G3+)
 * Mac OS X 10.0.4 (PPC G3+)

Mac OS X 10.1 "Puma"

 * Mac OS X 10.1.0 (PPC G3+)
 * Mac OS X 10.1.1 (PPC G3+)
 * Mac OS X 10.1.2 (PPC G3+)
 * Mac OS X 10.1.3 (PPC G3+)
 * Mac OS X 10.1.4 (PPC G3+)
 * Mac OS X 10.1.5 (PPC G3+)

Mac OS X 10.2 "Jaguar"

 * Mac OS X 10.2.0 (PPC G3+)
 * Mac OS X 10.2.1 (PPC G3+)
 * Mac OS X 10.2.2 (PPC G3+)
 * Mac OS X 10.2.3 (PPC G3+)
 * Mac OS X 10.2.4 (PPC G3+)
 * Mac OS X 10.2.5 (PPC G3+)
 * Mac OS X 10.2.6 (PPC G3+)
 * Mac OS X 10.2.7 (PPC G3+)
 * Mac OS X 10.2.8 (PPC G3+)

Mac OS X 10.3 "Panther"

 * Mac OS X 10.3.0 (PPC New World)
 * Mac OS X 10.3.1 (PPC New World)
 * Mac OS X 10.3.2 (PPC New World)
 * Mac OS X 10.3.3 (PPC New World)
 * Mac OS X 10.3.4 (PPC New World)
 * Mac OS X 10.3.5 (PPC New World)
 * Mac OS X 10.3.6 (PPC New World)
 * Mac OS X 10.3.7 (PPC New World)
 * Mac OS X 10.3.8 (PPC New World)
 * Mac OS X 10.3.9 (PPC New World)

Mac OS X 10.4 "Tiger"

 * Mac OS X 10.4.0 (PPC)
 * Mac OS X 10.4.1 (PPC)
 * Mac OS X 10.4.2 (PPC)
 * Mac OS X 10.4.3 (PPC)
 * Mac OS X 10.4.4 (PPC)
 * Mac OS X 10.4.5 (PPC)
 * Mac OS X 10.4.6 (PPC)
 * Mac OS X 10.4.7 (PPC/Intel)
 * Mac OS X 10.4.8 (PPC/Intel)
 * Mac OS X 10.4.9 (PPC/Intel)
 * Mac OS X 10.4.10 (PPC/Intel)
 * Mac OS X 10.4.11 (PPC/Intel)

Mac OS X 10.5 "Leopard"

 * Mac OS X 10.5.0 (PPCG4+/Intel)
 * Mac OS X 10.5.1 (PPCG4+/Intel)
 * Mac OS X 10.5.2 (PPCG4+/Intel)
 * Mac OS X 10.5.3 (PPCG4+/Intel)
 * Mac OS X 10.5.4 (PPCG4+/Intel)
 * Mac OS X 10.5.5 (PPCG4+/Intel)
 * Mac OS X 10.5.6 (PPCG4+/Intel)
 * Mac OS X 10.5.7 (PPCG4+/Intel)
 * Mac OS X 10.5.8 (PPCG4+/Intel)

Mac OS X 10.6 "Snow Leopard"

 * Mac OS X 10.6.0 (Intel + Rosetta)
 * Mac OS X 10.6.1 (Intel + Rosetta)
 * Mac OS X 10.6.2 (Intel + Rosetta)
 * Mac OS X 10.6.3 (Intel + Rosetta)
 * Mac OS X 10.6.4 (Intel + Rosetta)
 * Mac OS X 10.6.5 (Intel + Rosetta)
 * Mac OS X 10.6.6 (Intel + Rosetta)
 * Mac OS X 10.6.7 (Intel + Rosetta)
 * Mac OS X 10.6.8 (Intel + Rosetta)

After Mac OS X 10.6, all OS installs are provided via download.

Mac OS X 10.7 "Lion"

 * Mac OS X 10.7.0 (Intel)
 * Mac OS X 10.7.1 (Intel)
 * Mac OS X 10.7.2 (Intel)
 * Mac OS X 10.7.3 (Intel)
 * Mac OS X 10.7.4 (Intel)
 * Mac OS X 10.7.5 (Intel)

Mac OS X 10.8 "Mountain Lion"
Current Version:
 * Mac OS X 10.8.0
 * Mac OS X 10.8.1
 * Mac OS X 10.8.2
 * Mac OS X 10.8.3
 * Mac OS X 10.8.4
 * Mac OS X 10.8.5

OS X 10.9 "Mavericks"

 * OS X 10.9.0
 * OS X 10.9.1
 * OS X 10.9.2
 * OS X 10.9.3
 * OS X 10.9.4
 * OS X 10.9.5

OS X 10.10 "Yosemite"

 * OS X 10.10.0 beta
 * OS X 10.10.0

Failed Systems
These systems were developed and in some cases were even functional before Apple officials applied the brakes; they were never officially released beyond Developer Previews.


 * Copland
 * Gershwin