Features:
Keys are set only on non-activated products.
If you select "Install forcibly", the keys are installed on all products, including those activated.
On the Settings tab, you can specify the external address of KMS-Service. The service built into the program will not be launched when activated. If activation fails 0xc004f074, make sure that your firewall does not prohibit connections to your KMS-Service.
Creating in the scheduler a task for the re-activation of Windows (in the program for this purpose a special tab), after that the program itself can be moved where you want, you can even completely remove it.
The program does NOT require any versions of the .NET Framework.

System requirements:
Windows XP, Windows Vista, 7, Windows 8, 8.1, 10, Server 2008, 2008 R2, 2012, 2012 R2, Office 2010/2013/2016 VL editions.