1. open the main interface of Switch and enter the personal account.
2. in account settings or payment settings, find the option of "add payment method" or "bind bank card".
3. Select the bank card type, including debit card or credit card.
4. Enter the bank card information, including card number, expiration date and security code (CVV code). Make sure that the information entered is accurate.
5. According to the system prompt, you need to enter additional authentication information, such as the cardholder's name and ID number.
6. The system will ask for verification. Include sending a verification code to a mobile phone or verifying by other means.
7. The bank card has been successfully verified, and the system will confirm that the binding operation has been completed, taking the bank card as one of the personal payment methods.