param([string] $computername=".")

$os = get-wmiobject -computer $computername win32_OperatingSystem

Write-Host "Checking computer - " $computername
Write-Host "Name - " $os.Caption
Write-Host "Service Pack - " $os.CSDVersion
Write-Host "OS Build - " $os.Version
Write-Host "Windows Directory - " $os.WindowsDirectory