The Unifi Access Crestron Home Driver requires a Module Instance License that can be obtained here.
Each Crestron Home Driver requires a separate license in order to function. Please see the module help file for detailed instructions on retrieving your Activation Key.
For Crestron Home, the Licenses are tied to the Crestron processor.
This Module and Driver comes with a free fully featured 7 day trial.
The Unifi Access Crestron Home Driver can be downloaded from within Crestron Home or manually
here.