If you wish to save a payment method on the game website or desktop client, you can select any offer and click Buy, then fill in the payment details and press "Save for my next payment."
Note that we do not collect or store your financial data, such as credit card numbers or bank account details. Although we do not have access to your credit card information, we may receive and process certain information from our payment service providers in order to fulfill your purchase.
If you wish to remove information that you saved earlier, select any offer and click Buy, then select the Remove option.