Some Mac users may wish to perform a clean install of MacOS Catalina onto a Mac. A clean install represents a fresh start, and it’s achieved by erasing all data from the Mac hard drive and then performing a fresh clean installation of MacOS Catalina onto that Mac. A clean install sort of feels like getting a new Mac in the sense that no data is on the device at all, there are no apps, no user accounts or user data, no system preferences or customizations, there is nothing left on the Mac at all, it’s just a blank new installation of MacOS Catalina.

Clean…