You can use qemu to run macOS. It's probably agaist ToS, but it works. But it's best to just ignore Apple if you can. It's their problem anyway, if they want to

You can use qemu to run macOS. It's probably agaist ToS, but it works. But it's best to just ignore Apple if you can. It's their problem anyway, if they want to discourage cross-platform developers that don't own or have interest in their HW.