The tool emulates a environment. In a legitimate enterprise setting, KMS allows a central server to activate many computers on a corporate network. Microsoft Toolkit mimics this server on a single PC to "trick" Windows or Office into thinking it is legitimately activated. Common Features (Reported in Unofficial Sources) If you encounter this tool, it typically includes:
Microsoft Toolkit is often described in "warez" circles as a KMS (Key Management Service) activator. It is designed to trick Windows and Microsoft Office into thinking they are part of a corporate network with a legitimate volume license.
Microsoft Toolkit (Office toolkit) - Wine Application Database
The first thing Jack noticed was the suspicious naming convention. "This looks like a repackaged tool," he said. "Let's run it through our sandbox environment."
Microsoft Activation Script (HWID) is safe? : r/WindowsOnDeck