Windows VL editions: Vista, 7, 8, 8.1, 10, 11, Server 2008, 2008 R2, 2012,
2012 R2 also Office 2010, 2013, 2016.

Additionally, the program activates
Windows 8.1 Single Language;
Windows 8.1 Core;
Windows 8.1 Core N;
Windows 8.1 Pro WMC;
Windows Embedded 8.1 Industry Pro;
Windows Server 2012 R2 Standard;
Windows Server 2012 R2 Datacenter.

Run Activator.exe as administrator and follow on screen instructions and select your windows distribution and version.
Wait for it to activate.
Then Restart & Enjoy !

Only for V.I.P