1. First find official website who is programmed with walnuts or called Guagua, or scan the code to pay attention to the official WeChat account of programming with walnuts or calling Guagua.

2. Secondly, open the official website programmed by Walnut or Guagua, wait for 2 seconds, and the customer service dialog box will pop up automatically.

3. Finally, you can ask the customer service to register directly and fill in your personal information to join the programming course.