Parallels Separate Version Software You Have

Perhaps you are relying on software you have discovered doesnt work properly in the newest version of macOS.

This is because newer versions of macOS tend to drop support for older Macs.

We do have an article about installing MacOS on an older Mac here though.

Simply speaking, Macs cannot boot into an OS X version older than the one they shipped with when new, even if its installed in a virtual machine.

If you want to run older versions of OS X on your Mac, you need to get an older Mac that can run them.

You will have to completely wipe your Mac before you can install an older version of macOS or Mac OS X.

You could install the version you require on an external drive, for example.

Want to run two or more versions of macOS alongside each other Thats also a possibility.

The most appropriate method for you will depend on a number of factors including whether you want to run more than one version of macOS.

You will be wiping your Mac and installing the version of macOS you require on a clean slate.

To start this process, restart the Mac in Recovery Mode by holding down Command and the R key during restart.

The disadvantage is that the older version of macOS might run slowly - especially if its on a slow USB memory stick.

Its a lot easier to install a version of macOS on a Volume, but only newer versions of macOS support volumes.

This means that installing an OS X 10.8 VM on a Mac running another version of OS X is a violation of the 10.8 software license agreement.

The newest version of OS X that can legally be run in a virtual machine with a different OS X host is Snow Leopard (10.6).

Find out which is best by reading: Parallels, VMware, VirtualBox compared.

Parallels For Mac Install Separate Version