$File = "C:\FaxCore\svc.renderagent\RenderAgent.exe"

$fs = [System.IO.File]::OpenRead($File)
$br = New-Object System.IO.BinaryReader($fs)

try {
    # PE header location
    $fs.Position = 0x3C
    $peOffset = $br.ReadInt32()

    # Machine type
    $fs.Position = $peOffset + 4
    $machine = $br.ReadUInt16()

    # Characteristics field
    $fs.Position = $peOffset + 4 + 18
    $characteristics = $br.ReadUInt16()

    $largeAddressAware = ($characteristics -band 0x20) -ne 0

    $architecture = switch ($machine) {
        0x014c { "32-bit (x86)" }
        0x8664 { "64-bit (x64)" }
        default { "Unknown (0x{0:X4})" -f $machine }
    }

    Write-Host ""
    Write-Host "File:                $File"
    Write-Host "Architecture:        $architecture"
    Write-Host "Large Address Aware: $largeAddressAware"
    Write-Host ""
}
finally {
    $br.Close()
    $fs.Close()
}