KI 1639 Which versions of MacOS can be used?

2022-07-01 (updated 2025-10-14)

Find out which versions of MacOS are supported by the IT division.

The IT division supports four versions of the macOS operating system at any one time.
We have chosen to only support four versions back in time of macOS in order to deliver security updates, operating software and support for macOS.
Below you will find a list of which versions of macOS are supported by February 25, 2025:

macOS name (Version) - Compatible with these machines

MacOS Tahoe (26) – https://support.apple.com/en-us/122867
MacOS Sequoia (15) – https://support.apple.com/en-us/120282
MacOS Sonoma (14) – https://support.apple.com/en-us/105113
macOS Ventura (13.0–13.7.8) – https://support.apple.com/no-no/HT213264 (last version published August 25, 2025)

Outdated, no longer supported macOS versions: If your Mac is running any of these, you need to upgrade, if your Mac doesn't support newer OS, you need to get a new Mac/PC:
macOS Monterey (12.1 – 12.7.6) – https://support.apple.com/no-no/HT212551
macOS Big Sur (11.7.10) - https://support.apple.com/no-no/HT211238

Find out which version of macOS your Mac is currently using: KI 1638 What version of MacOS is installed?
How to update macOS: KI 1109 Update MacOS on Macs