var wbemFlagReturnImmediately = 0x10; 
var wbemFlagForwardOnly = 0x20; 

   var objWMIService = GetObject("winmgmts:////.//root//CIMV2"); 
   var colItems = objWMIService.ExecQuery("SELECT * FROM Win32_Product", "WQL", 
                                          wbemFlagReturnImmediately | wbemFlagForwardOnly); 

   var enumItems = new Enumerator(colItems); 
   for (; !enumItems.atEnd(); enumItems.moveNext()) { 
      var objItem = enumItems.item(); 

      WScript.Echo("Caption: " + objItem.Caption); 
      WScript.Echo("Description: " + objItem.Description); 
      WScript.Echo("Identifying Number: " + objItem.IdentifyingNumber); 
      WScript.Echo("Install Date: " + objItem.InstallDate); 
      WScript.Echo("Install Date 2: " + objItem.InstallDate2); 
      WScript.Echo("Install Location: " + objItem.InstallLocation); 
      WScript.Echo("Install State: " + objItem.InstallState); 
      WScript.Echo("Name: " + objItem.Name); 
      WScript.Echo("Package Cache: " + objItem.PackageCache); 
      WScript.Echo("SKU Number: " + objItem.SKUNumber); 
      WScript.Echo("Vendor: " + objItem.Vendor); 
      WScript.Echo("Version: " + objItem.Version); 
      WScript.Echo(); 
   }