There are a lot of practical reasons to set up an OS like Windows 10 in a VM rather than using it as a native installation. If you have to deal with files you can't trust, need to test multiple OS ...
If you have a virtual machine installed on VMware in Windows 11/10 and you want to convert VMware to Hyper-V, or Hyper-V VM to VMware, here is how you can do it and the precautions you need to take ...