How to activate DDL.to Premium Voucher:

1. You will receive a DDL.to premium voucher like this: 79xxdlnd5774la

2. You should be log in : https://DDL.to/login.html

( If you haven't account at DDL.to, you just need to sign up: https://DDL.to/?op=registration )

3. Make sure you are logged in. Then access this link: https://DDL.to/?op=my_account

4. Put your voucher code in field "Apply Premium Key", and click on "Apply"