If you do not have your phone, here's how to add Cash App to Paypaland instant payment app like the Bank app: Visit the PayPal website. Log in to your PayPal account. First, click the Settings or wheel icon on the right side of the menu bar. Second, on the left side of the screen, click "Money, bank, and card." In the "Bank" section, click "New bank account link" Click "Link to bank". Account details. However, for more details about PayPal, you should visit our website.