It creates a virtual Key Management Service (KMS) on your local machine to trick software into believing it has been validated by an official corporate server.
Despite its popularity, experts and security software warn against the use of third-party activators: It creates a virtual Key Management Service (KMS)
While it offers a "lifetime" activation without purchasing official keys, using such tools involves significant security, legal, and functional risks. Key Features of Microsoft Toolkit using such tools involves significant security
It can save a copy of existing activation information, which is useful if you need to reinstall your OS on the same hardware. Critical Risks and Dangers It creates a virtual Key Management Service (KMS)