Since Microsoft has done some fundamental changes regarding the system files, some processes/features will not run under Win8.1 the same way as under Win7 or Win8.
Users, who want to get detailed informations regarding the Intel Management Engine Interface components of their system (MEI Firmware version, MEI driver version, Gbe version etc.), and run the related MEInfo tool by using the command “MEInfoWin.exe" (under Win8.1 x86) resp. “MEInfoWin64.exe" (under Win8.1 x64)