How To Check macOS Version Number On Your Mac
How To Check macOS Version Number On Your Mac
March 26, 2020

In several situations, we might be required to find out the version of the macOS installed on our system. The most common scenario is while upgrading the macOS, we need to find out the currently installed version on the system.

This tutorial provides the steps required to find out the currently installed macOS version on your system. The last three sections of this tutorial provide the complete history of all the Mac operating systems with their most recent version number and release date.

macOS On Your Machine

Click the Apple Icon at the top left corner of the screen and click About This Mac Option as shown in Fig 1.

macOS Version Open

Fig 1

It will show the complete details about the macOS including Version, Build, System Type, Processor, Memory, and Graphics as shown in Fig 2.

macOS Version - Info

Fig 2

macOS Version History

macOS Version Released On
Catalina 10.15.4 March 24, 2020
Mojave 10.14.6 January 28, 2020
High Sierra 10.13.6 January 28, 2020
Sierra 10.12.6 September 26, 2019

OS X Version History

OS X Version Released On
El Capitan 10.11.6 July 9, 2018
Yosemite 10.10.5 July 19, 2017
Mavericks 10.9.5 July 18, 2016
Mountain Lion 10.8.5 August 13, 2015
Lion 10.7.5 October 4, 2012

Mac OS X Version History

Mac OS X Version Released On
Snow Leopard 10.6.8 July 25, 2011
Leopard 10.5.8 August 5, 2009
Tiger 10.4.11 November 14, 2007
Panther 10.3.9 April 15, 2005
Jaguar 10.2.8 October 3, 2003
Puma 10.1.5 June 5, 2002
Cheetah 10.0.4 June 21, 2001
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