[Autodesk AutoCAD LT 15]

Autodesk® Architectural Desktop 3.31 Object Enabler

Use the code below to install it silently. It uninstall the old one first. Copy and save as OE331.vbs

on error resume next

Set WshShell=CreateObject("WScript.Shell")

WshShell.Run "msiexec /x {5783F2D7-0E0C-0409-0000-0060B0CE6BBA} /q",0,true

WshShell.Run "msiexec /i ADT331OE.msi /qb ACAD_SILENT_LICENSE=YES",1,True