To subscribe yourself go to Account and then click the Add new Subscription button in the Subscriptions tab.
Click on the Subscribe Now button at the Full Access plan and proceed with the purchase.
An overview of your chosen subscription is shown, click on Next to proceed.
Fill out the billing information details and click on Next to proceed.
* Choose your preffered payment provider and follow the steps.
Because each payment provider has a different checkout procedure you can click on the specific provider below to find to documentation.