1. Please login into your iPithos.to account first: http://www.ipithos.to/login.html

( If you don't have a iPithos.to account, you just need to sign up )

2. Make sure you are logged in.

3. You will receive a premium key / coupon that you can exchange here: http://www.ipithos.to/?op=my_account

4. Please enter your premium key in "Apply Premium Key:" and click "Apply"

activate ipithos.to premium account