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. Emulates a KMS server to activate Windows and Office. Does not require an internet connection for activation. Requires periodic reactivation every six months. Legal risks: Unofficial use may violate Microsoft’s terms of service. Not ideal for continuous or commercial use due to potential risks. Available for use on Windows and Office products (various versions).