It operates by temporarily activating the system, making it appear as if it were activated by an official KMS server, typically used in corporate environments. Uses KMS (Key Management Service) to activate Microsoft products. Does not require an internet connection for activation. Temporary activation, reactivation is needed periodically. Using KMS activator may breach Microsoft's license agreements. Long-term use may cause technical issues or security vulnerabilities. Can be used on various editions of Office and Windows.