sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/Catalina --nointeraction
There are several reasons why you might need to download Mac OS ISO 64-bit:
, which explains that ISO files are essential for virtual machines or enterprise deployment. Mac Install Guide Because Apple does not officially provide ISO files
If you own a Mac, you do not need an ISO. Simply: