product key(redirected from Licence key)
product keyA series of letters and digits that must be entered during software installation to authorize the user. Product keys are found on the back of the CD-ROM package, inside a paper manual or on a separate sheet of paper that comes with the package. For volume licenses, where one copy of the application is installed on multiple machines, the product key must be obtained from the vendor.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.