How to activate Uptobox Premium Voucher:

1. You will receive a Uptobox premium voucher like this: 79xxdlnd5774la68

2. You should be log in : https://uptobox.com/login.html

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

3. Make sure you are logged in. Then access this link: https://uptobox.com/?op=voucher

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