EMCO OS License Modifier - Version 1.0 EMCO OS License Modifier can assist you when you need to change yourOperating System license information, as it is registered at the computer,to rectify it according to your licenses.You are able to change:Operating System Product ID Operating System Registered Owner Operating System Registered Organization Automatically enumerate your LAN for computers,or add them manually into machine tree.Works on NT/W2K/XP Operating Systems only.