How to check the Trial license activate in Trial page?

Zyxel_Ivan

The Nebula Control Center provides multiple trial licenses for 30 days free trial.

Navigate to the "License & Inventory" > "Trial", and you'll see the licenses.

Once you click the "Activate", the trial license will activated, and it's apply to the all devices in this Org.

Please be aware that when you activated the Nebula Pro Pack trial license, it's normal behavior that the Org status remain in Base.