It can be activated in the WeChat public account "Bank of China Credit Card".

1. Open WeChat, search for "Bank of China Credit Card", follow and enter the official account, as shown in the figure below.

2. Click "My Account" in the lower left corner, as shown in the picture below.

3. Select "Activate, More Features", as shown in the figure below.

4. Select "Card activation", as shown in the figure below.

5. Enter the "credit card number", "ID number", and "mobile phone number" as prompted, and then click Activate, as shown in the figure below.