This guide can help you roll back to almost any version of macOS. After trying this, you may come to the conclusion that newer versions work very poorly on your hardware, moment when you will have to step back. If you are willing, You can install newer versions of macOS than your Mac supports with tools like On parcheado.

You can find out which Mac you have by clicking the Apple logo in the upper left corner and selecting “Regarding this Mac” to see the name and year of release.

If you're not sure what came with your Mac, head to Apple Support and find your exact model. The compatible version “oldest” macOS from your Mac is the one that came with it. Previous versions were written for Intel chips, using the x86_64 instruction set, while the newer Apple Silicon chips use the ARM instruction set. It is common knowledge that new versions of macOS are often no longer compatible with older hardware., but the same goes for newer Mac models and older software.Īs an example, can't install any macOS version earlier than Big Sur (released in 2020) on a Mac with an Apple Silicon chip, including M1.

It is essential to understand that not all versions of macOS (Mac OS X) work with all hardware configurations. Have an old Mac and want to reinstall macOS? Maybe you want to roll back your Mac to an earlier version of macOS than the one you have installed at the moment?Īlthough the procedure is quite simple, getting older versions of macOS is not that simple.

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