If you are evaluating the tool for technical research, version 2.5.1 introduced several specific refinements over older versions: Description

: Using such tools violates Microsoft's Terms of Service. For personal use, Microsoft now offers more flexible licensing, and many users find that unactivated Windows (with the "Activate Windows" watermark) is a safer alternative than using third-party cracks. Current Status

Microsoft — Toolkit 2.5.1 Download [portable]

If you are evaluating the tool for technical research, version 2.5.1 introduced several specific refinements over older versions: Description

: Using such tools violates Microsoft's Terms of Service. For personal use, Microsoft now offers more flexible licensing, and many users find that unactivated Windows (with the "Activate Windows" watermark) is a safer alternative than using third-party cracks. Current Status Microsoft Toolkit 2.5.1 Download