We can use one of the options listed below to first install Windows and then Umbraco CMS via a Virtual Machine (VM) on any Mac.
Bootcamp
Bootcamp is native VM software for Mac OS - https://apple.com/bootcamp
Parallels
This is a third-party VM solution that enables integration between Mac OS and Windows ie. running Windows Apps from the dock - https://www.parallels.com/
VMWare Fusion
This third-party virtualisation software that can be used to run Windows on your Mac - https://www.vmware.com/products/fusion
Virtual Box
This is free and open-source virtualisation software - https://osxdaily.com/2015/03/25/install-run-windows-10-mac-virtualbox-os-x/
Download and Install Umbraco CMS
Once you have chosen from the above options and have Windows running you should now download the latest version of Umbraco CMS and install Umbraco CMS on your local machine.