I found a Visual BASIC code for extracting installed Microsoft products, (including Operating Systems), key from the registry. After hours of conversion, this is what I came up with: $a=RegRead("HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion", "DigitalProductId") If $a<>"" Then $xpkey=MSDecode($a, "-") ClipPut($xpkey) InputBox("Windows OS Product Key", "The installed Windows Operating System Product Key has been copied to the clipboard and is:", $xpkey) Else MsgBox(0,"ERROR","No