|Almost all laptops are not valid. They are OEM keys and MS doesn't know about them and no one should be asking for that key.|
I have never had to put in a key either do download anything. On some MS pages you need to cut and paste a key that their program comes up with. You don't use the key on the computer.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.