EMCO OS License Modifier can assist you when you need to change your Operating 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. Follow the link and free download EMCO OS License Modifier now.