The iLok USB is a special USB device that holds your licenses for iLok-enabled software. Software publishers use iLok to provide secure protection for their software. When you run their iLok-enabled software, it looks for the software license on your attached iLok USB. Some publishers allow activation to a host computer or the iLok Cloud in addition to the iLok USB.Benefits It's portable - you can authorize your software anywhere it is installed. At home, work, or at a remote location, you can keep your software licenses with you, not on your computer. It's convenient and cross-platform - Store your Mac and Windows iLok-enabled software licenses all on a single iLok USB. A Third Generation iLok USB can hold over 1500 licenses. Worry Free - Your licenses are on the safest, most secure solution: the iLok USB. With Zero Downtime™ protection available, you've got 24/7 peace of mind. iLok License ManagerSecure and Portable Licenses - Simple ManagementManaging your licenses has never been so easy. Using the iLok License Manager application, you can: View what is activated on your iLok USBs, host computer, or iLok Cloud Download new licenses from participating software publishers Manage your licenses, including moving them between locations within your account Transfer licenses to other iLok.com accounts