It uses Key Management Service (KMS) emulation to trick the operating system into thinking it is connected to a corporate licensing server.

: Some users have reported issues with system stability and performance after using the MS Toolkit. This may be due to the tool's method of bypassing activation checks.

: It supports a wide range of products, including Windows Vista through Windows 11, and Office suites from 2010 to 2021. Operational Requirements Environment : Most versions require the .NET Framework to run correctly. Security Settings

Depending on the specific toolkit version, some sources claim extended support for Windows 11 and Office 2021, but this varies.