After posting here and waiting for the answer I also directly asked from Microsoft support. They confirmed that I can install windows 10 using the same license and can easily upgrade back to win 11 in the future whenever I want.
I just bought a laptop with windows11pro preinstalled by the manufacture(digital license). I don't like windows 11 at all and want to install windows 10 on this laptop. My question is if I clean install windows 10 (delete recovery drives etc and complete format SSD) will I be able to upgrade to...