In your user account, you can change your name, e-mail address and password at any time under Personal data.
Under Addresses you can manage your delivery and billing addresses. You can store as many addresses as you like and easily use them as delivery or billing addresses as needed.
You can also view your payment methods in your user account and - if desired - change them.
Click on the respective "Change" button to enter your data.
You confirm your changes by clicking on the "Save" button.