Draytek VigorPro 5300 User Manual page 248

7. In the following page, check the box of "I have read and accept the above
Agreement". The system will find out the date for you to activate this version of
service. Then, click Next.
8. When this page appears, click Register.
9. Next, the DrayTek Service Activation screen will be shown as the following:
(Above figure supposes you have not activated Anti-Spam yet.)
240
Note: DT-DT means you can acquire the anti-intrusion and anti-virus services
from DrayTek Corporation.
VigorPro5300 Series User's Guide