VB.NET Is OS Arch 64 bit or 32 bit Works for Windows 8

VB.NET Is OS Arch 64 bit or 32 bit Works for Windows 8

Dim Is64Bit As Boolean
Is64Bit = Not String.IsNullOrEmpty(Environment.GetEnvironmentVariable("PROCESSOR_ARCHITEW6432"))
        If Is64Bit = True Then
            '64 bit machine
            OSarch = "64"
            InstallOSPath = "64"
        Else
            OSarch = "32"
            InstallOSPath = "86"
        End If