the strange thing is, it was working fine a short time ago. Maybe a Win 10 update broke it.
https://docs.microsoft.com/en-us/sysinternals/downloads/du
.\du.exe
Program 'du.exe' failed to run: The specified executable is not a valid application for this OS platform.At line:1
char:1
+ .\du.exe
+ ~~~~~~~~.
At line:1 char:1
+ .\du.exe
+ ~~~~~~~~
+ CategoryInfo : ResourceUnavailable: (:) [], ApplicationFailedException
+ FullyQualifiedErrorId : NativeCommandFailed