Microsoft Toolkit 2.4.7 [updated] Here

often flags it as a threat or "PUP" (Potentially Unwanted Program). Users frequently have to create Exclusions in Windows Security to run it. Official Support

: Using this software to bypass activation violates Microsoft's Terms of Service and is considered software piracy. microsoft toolkit 2.4.7

Version 2.4.7 was primarily designed to support Windows 8, Windows 7, and Office 2010/2013. Newer versions of Windows and Office typically require more recent updates of the toolkit (such as version 2.6.4 or higher). often flags it as a threat or "PUP"