The product key is located in the registry under
HKLM\Software\Microsoft\Windows NT\CurrentVersion
It is the value named: DigitalProductId
If you look at it, you will realize it is encrypted:
That is what his script takes care of. It reverses the simple XOR encryption and turns that numeric mess into a readable product key.
cscript serial.vbs
save the following code to serial.vbs
‘***************************************** ‘* Script Usage: Get Windows Product Key * ‘* http://www.intelliadmin.com * ‘* Revision 8/15/2012 * ‘***************************************** ‘Constants for our registry query const HKEY_LOCAL_MACHINE = &H80000002 sRegistryKeyName = "SOFTWARE\Microsoft\Windows NT\CurrentVersion" sRegistryValueName = "DigitalProductId" function GetProductKey ‘Get the raw product key data dim pValues() Set poRegistry=GetObject("winmgmts:{impersonationLevel=impersonate}!\\.\root\default:StdRegProv") poRegistry.GetBinaryValue HKEY_LOCAL_MACHINE,sRegistryKeyName,sRegistryValueName,pValues Dim sArrayPID sArrayPID = Array() ‘In that data, positions 52-66 contain our product id info ‘We copy to an array so we can decrypt For i = 52 to 66 ‘Increase our array size by one ReDim Preserve sArrayPID( UBound(sArrayPID) + 1 ) ‘Insert our value into the end if the array sArrayPID(UBound(sArrayPID)) = pValues(i) Next ‘Consants for our product key Dim sProductKeyChars sProductKeyChars = Array("B","C","D","F","G","H","J","K","M","P","Q","R","T","V","W","X","Y","2","3","4","6","7","8","9") For i = 24 To 0 Step -1 k = 0 For j = 14 To 0 Step -1 k = k * 256 Xor sArrayPID(j) sArrayPID(j) = Int(k / 24) k = k Mod 24 Next sProductKey = sProductKeyChars(k) & sProductKey ‘Adds the - between the key sections if i Mod 5 = 0 And i <> 0 Then sProductKey = "-" & sProductKey Next GetProductKey = sProductKey end function function GetOSVersion Set SystemSet = GetObject("winmgmts:").InstancesOf ("Win32_OperatingSystem") for each System in SystemSet GetOSVersion = Trim(System.Caption) & " (" & System.Version & ")" next end function wscript.echo GetOSVersion & ", " & GetProductKey
reference:
http://www.intelliadmin.com/index.php/2012/08/get-your-windows-product-key-from-a-script/