MacBook Air (Late 2010 to 2017, which is same as 2015 model).

Owners of Macs with M1 or M2 chips won’t be able to run older versions of macOS that weren’t designed for M1 Macs. For this reason, it is unlikely that you will be able to install an older version of macOS on a new Mac-but you can take a look at how to install old versions of macOS or OS X for other Macs. It’s likely that an older OS won’t include the necessary drivers for the hardware on your newer Mac. Officially, the operating system that was available on your Mac at the time that you bought it is the oldest version of macOS that can run on that Mac. To learn how to install the Sonoma beta read: How to install the macOS beta. For advice about installing Ventura read: How to install Ventura on your Mac. Read on to find out which Macs are supported by each version of the Mac operating system. With macOS Sonoma announced and currently in beta and likely to arrive on Macs in October, it’s likely that many Mac users will be wondering if their Mac will be able to support it or the current version of macOS, Ventura.

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