Minimal system requirements of Movie Maker

Im looking for something like this:

if    "CPU"    > 2.40 AND "MEM" > 1    Then

"Install This"

    Else
"Install This"

    EndIf

How i can make the CPU values and mem values for check the if?

The requerements of movie maker are this:
http://windows.microsoft.com/en-US/windows-live/movie-maker-system-requirements-ui

Thanks