Draytek Vigor 3200 Series User Manual page 38

6. Now, the web page will display the service that you have activated according to your
selection(s). The valid time for the free trial of these services is one month.
Later, if you need to extend the license valid time, you can also use the Service
Activation Wizard again to reach your goal by clicking the radio button of Formal
edition with license key and clicking Next.
Vigor3200 Series User's Guide 28