You tried to put a key in the computer after Windows 10 was installed? I would like to point out (on the offset that you didn't know) that Windows 10 keys are completely different from previous Windows operating systems. If you had a genuine, non-pirated copy of Windows 7, then a new Windows 10 key would have automatically been generated for you, and your computer activated.
Now I can't remember 100%, but I believe there were some issues regarding activation. Computers said they weren't activated, but really they are. Please wait for a second opinion on this, as I, again, am not 100% certain.
To put it shortly, your computer is activated and you do not need to put a key in as one was generated for you. I believe.
09-09-2015 08:53 PM