Changing your credit card on PayPal is a straightforward process. You simply need to log in to your account and add a new one. To make things even simpler, removing the old card is an optional step.
Part 1: Removing an Old Credit Card (Optional)
Click the link labeled "wallet" at the top of the page. This will bring you to a page that lists your current credit cards on file with PayPal.
Click the credit card that you want to remove.
Click the link that says "remove card." This will remove the current card from your file. You can repeat this to remove multiple cards if you have more than one card on file.
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Part 2: Adding a New Card
Click the "wallet" link at the top of the page.
Click the link titled "link a payment method."
Select "credit or debit card."
Fill in your credit card information as prompted. This will add your new credit card to your account.