File Size: 9.46 MBWindows KMS Activator Ultimate is the most simple and user-friendly activator for Windows Server, Windows Vista, Windows 7, 8.1, 10. It is a safe activator, without harm to system files. The Windows activation period is 180 days and you can renew it after it expires. You can remove all previous activations. You can find out information about your activation and the current activation status of your Windows.