Means the license key is tied to the motherboard that it is installed on and can't be transferred to a new motherboard, like if you were to upgrade motherboard later.
wait, can't you still use the hdd and os with a different comp, almost sure you can, and i know this will sound stupid but idk what bump is saying, seen so many times but idk
No, i unfortunately read that it cant be, stupid Microsoft. and Bump means that your basically still looking for buyers and offers. Also shows the thread on the main page.