KMS activators are commonly used in unofficial or unauthorized activations, and while it can offer activation without internet connectivity, it is often considered illegal and potentially harmful. Allows activation of Microsoft software via KMS server simulation. Operates without internet access for activation. Activation expires after 180 days, requiring renewal. Legal risks: Unofficial use may violate Microsoft’s terms of service. Not suitable for prolonged or business-related usage. Supports activation of both Windows and Office editions.