You can change your credit card information by following these steps:

1. Log into your customer account or create a new account.

2. Click on "Rechnungsdaten/Billing information"

Here you can update your credit card information or switch from a PayPal account to a credit card.

At the moment it is not possible to switch from a credit card to PayPal or to switch from one PayPal account to another PayPal account. 

If you have any further questions, please contact our customer service or write us an email at which will be happy to assist you!