There are free themes that will also look like macOS if going for the macOS look is your goal: https://forum.zorin.com/t/making-zorin-os-look-like-macos-bi...
Comes down to installing WhiteSur, a few fonts, and an icon pack.
At any rate, as techie, I could make it look like macOS, but I was thinking of installing it on family members' computers without much effort.
There are free themes that will also look like macOS if going for the macOS look is your goal: https://forum.zorin.com/t/making-zorin-os-look-like-macos-bi...
Comes down to installing WhiteSur, a few fonts, and an icon pack.