# Create a new virtual machine VBoxManage createvm --name "macOS Catalina" --ostype "MacOS_64"

sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/MyUSB

: Catalina replaced iTunes with three dedicated apps: Music, TV, and Podcasts. By version 10.15.7, the bugs from this initial split were largely ironed out.

full OS installers but are used to update an existing Catalina installation. macOS Catalina 10.15.7 Update (Requires 10.15.6). macOS Catalina 10.15.7 Combo Update (Can update any version of 10.15). Terminal Method: