Do you want to know how to add a credit card on your PS5 account? To do this, go to settings, then select users and accounts. Now go to payment and subscriptions. Then choose payment methods. Now add a credit card. Type in your credit card information and the security code. Then type in your personnel information and billing address. Now your credit card will be added to your PS5. You can then add funds to your PS5 wallet to buy games or DLC.