a retail license doesn't even prompt that, just sign in with your MS account and bobs your uncle, that's how I manage all of my VM stuff I just sign into my primary Microsoft account and it automatically activates, I'm sure one of these days it's going to hit a Hidden activation limit but I'm not really sure how Windows works with that, I don't change vm's all that often.

My main bottleneck for swapping fully off of dual booting is the annoyance when it comes to trying to configure GPU pass through with KVM, I would definitely be using that virtual machine for gaming on the few games that no longer work using proton but like it's such a pain in the butt to set up, that and for the duration of me having to transfer the system I basically need to have twice the amount of disk space because I need to clone that data over to an image before being able to free up the partitions