Mac OS Editions

Mac OS 10.15 Catalina
Current Version 10.15 – released October 7, 2019
System Requirements Manual
Download

Mac OS 10.14 – Mojave
Current Version 10.14.6 – released July 22, 2019
System Requirements Manual
Download

Mac OS 10.13 – High Sierra
Current Version 10.13.6 – released July 9, 2018
System Requirements Manual
Download

Mac OS 10.12 – Sierra
Current Version 10.12.6 – released July 19, 2017 (End of Life no more updates)
System Requirements  Manual
Download

Mac OS 10.11 – El Capitan
Current Version 10.11.6 – released July 18, 2016 (End of Life no more updates)
System Requirements  Manual
Download

Mac OS 10.10 – Yosemite
Currently Version 10.10.5 – released August 13, 2015 (End of Life no more update)
System Requirements  Manual

Mac OS 10.9 – Mavericks
Current Version 10.9.5 – released September 17, 2014 (End of Life no more updates)
System Requirements

Mac OS 10.8 – Mountain Lion
Current Version 10.8.5 – released  October 3, 2013 (End of Life no more updates)
System Requirements

Mac OS 10.7 – Lion
Current Version 10.7.5 – released October 4, 2012 (End of Life no more updates)
System Requirements
End of Rosetta Support – Old PowerPC Mac Application Support

Mac OS 10.6 – Snow Leopard
Current Version 10.6.8 – released July 25, 2011 (End of Life no more updates)
System Requirements  Manual

To check your Mac OS Version click the Apple Menu and choose About this Mac.

It is best to have the most current version of Mac OS that your applications and your Mac can support, this will provide you the most secure system for your use.