For extreme compatibility, run inside a virtual machine (VMware Fusion or UTM) and install the real iTunes there. This is overkill for most users.
It is the wrong solution for macOS Catalina. descargar itunes macos catalina 1015 7 repack
The most interesting feature for running iTunes on macOS Catalina 10.15.7 is the ability to use Retroactive For extreme compatibility, run inside a virtual machine
You should downloading software labeled as an "iTunes Repack" for macOS Catalina. Apple officially discontinued iTunes with the release of macOS 10.15 Catalina. For extreme compatibility