


On macOS, download the High Sierra installer (even if you have Mojave installed):.But if you are curios how to do everything manually to install High Sierra, then this guide may be useful.Īfter reading a few articles I ended up with these steps: There is already a script which installs Mojave in a virtual machine here.

Important: I'm writing this when the last version of macOS (and the one I have installed) is Mojave.
