In the other direction, you can never downgrade past the original OS for your model. There is no precise pattern, but usually, your computer will get OS upgrades for about 7 to 8 years, and then you’ll receive security patches for another two years. Since 2013, Apple releases system software upgrades every fall, and unfortunately from time to time, some older Mac models don’t make the cut. I will try to update this document every year when the new system software is announced.īelow you will find tables of every model of Intel and Apple Processor Mac ever released, a list of all OSes they are capable of running, and a table of all OSes with useful details.

But I wanted to make a reference document both for myself and for anyone else who might need it. Normally I have handy tips and tricks for the average user. This blog entry is a little different from my usual. Update 28-June 2022: Added information about macOS Ventura and recent computer models. Update 30-June-2021: Added information about macOS Monterey and recent computer models. Update 12-July-2020: Added information about macOS Big Sur and recent computer models. I may earn a commission on purchases made through links on this page.

Imac 27 late 2013 os upgrade