After purchasing Xubster Premium Key on Xubster PayPal Reseller, please follow this instruction to activate premium:

1. Please log into your Xubster account first: https://xubster.com/login.html

(If you don't have a Xubster account, please register a free account)

2. You receive a activation code / premium key like this: 509sswunjmzs4dxaj that you can apply here https://xubster.com/?op=my_account

3. Enter activation code / Premium key in field with description "Apply Premium Key" and click "Apply" button