The steps to change the shipping address on HSBC Credit Card WeChat are as follows:

1. Open WeChat and enter the HSBC official account page.

2. Find related options such as "Credit Card" or "Card Service" on the official account page, and click to enter the credit card service page.

3. Find related options such as "Card Management" or "Card Information" on the credit card service page, and click to enter the card management page.

4. Find related options such as "Modify shipping address" or "Change card address" on the card management page, and select the credit card number whose address needs to be changed.

5. Enter the new shipping address and confirm it, and then follow the prompts on the page.