Windows 8.1 OS activator Magdi
Safe activator without harm to the system files
Activation period is 180 days, and you can renew it
You can delete all the previous activations
You can find out information about your activation serial windows and other days of activation

Activates:
Windows 8.1 Pro
Windows 8.1 Enterprise
Windows Server 2012 R2 Server Standard

Note:
1. .NET Framework is required.
2. Run as admin.