KMS Activator is a software tool used to activate Microsoft products, including Windows and Office, by simulating a Key Management Service (KMS) server. Uses KMS (Key Management Service) to activate Microsoft products. Offline activation method. 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.
