To check your subscription details.
First you have to be logged into our website with your username and password.
If you go into the "Premium" menu and click on your Nick or name on the right, you can see all the details of your subscription:
Premium subscription mode.
When the first payment will be charged.
Payment method (you can change it from here).
Cancel my subscription.
You can also see all the details of your subscription by accessing the personal information board from the "Store" menu and again clicking on your Nick or name on the right.