You return demo licenses after they have expired or when you commission a site.
You cannot activate or deactivate licenses when the automation server is connected using a USB cable.
In Device Administrator, click Servers .
Select Show licenses .
In the Assign Licenses view, in the License status column, click the Show products button
In the Assign column, in the row for Demo , clear Assign .
In the Deactivate Demo License dialog box, click Yes .
Click OK .
Repeat the procedure for all other automation servers you want to return demo licenses from.