Use RWEverything, select access ACPI tables and the MSDM tab:

http://rweverything.com/

After you've got the key, right click the start button and select system. Then select change product key and enter the key you found. Windows should then activate online.

Imformation you sent me is no help when I have no clue how to use the program.

See the start of this video which instructs in use of RWEverything:

https://www.youtube.com/watch?v=hs6JbJTlxc8

Follow it to 2:30 and then select change product key at the bottom of this screen.