Mac OS - Versions by year

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Provided below are a list of the major version releases of Mac OS.  Clicking the link for each OS listed you are taken to the System Requirements page for that operating system so that one can verify hardware compatibility.

Warning!

Customers to depend on their software to be compatible are advised they should make a backup of their work before upgrading their Mac OS and also check if their software is compatible wit the new OS.by contacting Sight & Sound Support  on 01604 798 000 or email support@sightandsound.co.uk for advice..

Note:

Apple release schedule expects new Mac OS to release autumn of each year (fall) although this may be subject to change.

Mac OSX versions by year

Public Beta: "Kodiak" September 2000
Version 10.0: "Cheetah" March 2001
Version 10.1: "Puma" September, 2001
Version 10.2: "Jaguar" August 2002
Version 10.3: "Panther" October 2003
Version 10.4: "Tiger" April 2005
Version 10.5: "Leopard" October 2007
Version 10.6: "Snow Leopard" August 2009
Version 10.7: "Lion" July 2011
Version 10.8: "Mountain Lion" July 2012
Version 10.9: "Mavericks" October 2013
Version 10.10: "Yosemite" October 2014
Version 10.11: "El Capitan" October 2015
Version 10.12: "Sierra" 20 September 2016
Version 10.13: "High Sierra" October 2017
Version 10.14: "Mojave" September 24, 2018
Version 10.15: “Catalina” October 7 2019
Version 11.01 “Big Sur” November 12th 2020
Version 12.0.1 “Monterey” October 25th 2021
Version 13.0 "Ventura" October 2022
Version 14.0 "Sonoma" October 2023
 Version 15.0 "Sequoia" September 2024

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