Adding a credit card to your Cash App account is easy! Just open the app and tap on the profile icon on the top left corner of the screen. From there, scroll down and select "Add a Credit Card" under the "Funds" section. Simply enter your credit card information, including the card number, expiration date, and security code, and verify your account. Your credit card will then be added to your Cash App account, giving you the convenience of making transactions on the go.