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. Does not require an internet connection for activation. Requires periodic reactivation every six months. Using KMS activator may breach Microsoft’s license agreements. Not recommended for long-term or commercial use, as it may lead to software instability or security risks. Supports activation of both Windows and Office editions.