Right after placing your order at our online shop you will receive an e-mail with your license key(s) in addition to a confirmation e-mail.
If you purchased one of our players including a license you will receive the license key with your delivery. You will find it on the backside of the included manual.
In case you haven't received this e-mail you can also check your online shop account, which contains an overview of your orders and associated license keys: https://shop.viewneo.com/account
You can get additional information on how to activate your professional license in your viewneo management account here.