New to vms and osX. Can someone provide me a list of crash course guides?

I'm running a Catalina 10.15.4 on a Win10 in Virtual box. My cpu is i9 9900k and an RTX 2080TI. I have sifted through partially correct information for a couple days to get a high sierra (because let's say that's the iso i have from another macbook) working finally then updated to the aforementioned catalina. I feel pretty lost as far as using clover and config.plist. Also, the performance is pretty horrible, which i expect from a vm, what are good things to do to help my vm responsiveness? Another thing i'd like to do is get imessage running but i can't seem to get signed in even though icloud works fine. All help is greatly appreciated!

submitted by /u/OrangeMonkeyEagal
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