You return demo licenses after they have expired or when you commission a site.
Do not remove the demo licenses file from Device Administrator until all demo licenses are removed from your automation servers.
In Device Administrator, click Entitlements .
In the Entitlements view, click Demo License .
Click Delete .
Click the Save current list button
The demo license is returned. You must now purchase, assign, and activate licenses for the features you want to use.
For more information, see Automation Server Licensing on Automation Servers Connected to Internet Workflow .