1. Open WeChat.

2. Click "WeChat Payment Assistant".

3. Find the information "QR code payment now supports credit cards" and click "Activate now".

4. Click the slider icon to the right of "Enable Credit Card Collection".

5. Click "Certify as a Merchant" in the pop-up box below.

6. Click "Go to Certification".

7. Upload your avatar, fill in the relevant information and click "Certify as a Merchant" at the bottom.

8. Click "Confirm Production" in the confirmation window.