1. First, open the WeChat app and log in to your account. Find and click on Me in the bottom navigation bar. On the My page, slide down and click on Wallet. On the Wallet page, click on the + in the upper right corner. button.

2. Secondly, in the pop-up menu, select bank card. On the bank card page, click Add Credit Card. On the Add Credit Card page, enter the credit card information.

3. Then, confirm and submit your credit card information. WeChat will verify the credit card and require some additional information.

4. Finally, after completing the verification, the credit card will be successfully added to the WeChat wallet.