Windows License Transfer
Select and sign in with your Microsoft credentials.
Microsoft allows minor hardware changes (RAM, GPU, storage) without triggering deactivation. But changing the motherboard always changes the hash significantly enough to require re-activation—and for OEM licenses, that re-activation is denied. windows license transfer
You cannot have one license active on two machines simultaneously. You must "release" the license from the old hardware first. Open as an Administrator. Select and sign in with your Microsoft credentials