Windows 10 Home Version
Now you can follow the following steps (similar to above but since the gpedit.msc file is not the same there are a few differences).
For more information, see the information for Windows 7 in Deploy KMS Activation.
Using my brand new DELL Inspiron 15 3542 for the 1st time, I was welcomed with a screen from Microsoft saying that: Yeah, Windows 10 is available today for Free. Yeah you can totally go for it. Yeah ....! And I did.
One thing that I had trouble with solving after the upgrade was that whenever I was right clicking on any icon in the taskbar I had one weird looking menu:
Searching around I found this forum that pointed me to the following answer: Remove the KB3072318 update responsible for a smooth upgrade transition from Windows 8.1 to 10 and problem gone.
Worked for me.