Question Which copy protection method is used for authorizing Answer With LM1n / LM2n / LM6n you can choose to store your iLok license either on an iLok USB key or on your computer.No matter what, you need an iLok ID, and you get this by registering at The enterprise version (for broadcast and production facilities) allows you to install a large number of plug-ins with no need for iLok keys or even unique licenses stored on your computers.