How to activate Dasan.co premium key
- You should be log in : https://dasan.co/login.html ( If you haven't account at Dasan.co, you just need to sign up: https://dasan.co/register.html )
- Make sure you are logged in. Then access this link: https://dasan.co/upgrade.html
- Put your voucher code in field "Apply Premium Key", and click on "Apply"