' Convert WMI Date-Time Values
strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set objOS = objWMIService.ExecQuery("Select * from Win32_OperatingSystem")
For Each strOS in objOS
dtmInstallDate = strOS.InstallDate
strReturn = WMIDateStringToDate(dtmInstallDate)
Wscript.Echo strReturn
Next
Function WMIDateStringToDate(dtmInstallDate)
WMIDateStringToDate = CDate(Mid(dtmInstallDate, 5, 2) & "/" & _
Mid(dtmInstallDate, 7, 2) & "/" & Left(dtmInstallDate, 4) _
& " " & Mid (dtmInstallDate, 9, 2) & ":" & _
Mid(dtmInstallDate, 11, 2) & ":" & Mid(dtmInstallDate, _
13, 2))
End Function