HOW TO : Compare to .exe or .dll file version embedded as the version resource with PowerShell.

gistfile1.ps1

function Compare-FileVersion {
    param($path, $version_str)
    $ver_info = [System.Diagnostics.FileVersionInfo]::GetVersionInfo($path)
    if ($ver_info.FileVersion -eq $version_str) {
        return $True
    }
    return $False
}