Can't install Big Sur - Have tried 2 different methods

I've been trying to install Big Sur for the past week and have got stuck and cannot get it working.

I've got a Z490 Vision D Board as well as i7 10700 CPU.

I've followed the Open Core guide as well as a YouTube video but can't seem to get a working EFI.

I've tried both methods but I'm not sure which one is closer to working.

The first one gets so far and then there's a drawing of an Apple Mouse that flashes up.

The second one gets stuck on a black screen

I've attached the logs and EFI...

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Author: drog1998