1. First, Baidu visited Xuexin.com, and then clicked on the official website link in the search results.

2. After entering official website, Xuexin.com, find the login sign at the lower right of the interface and click Login.

3. In the following interface, click the sign of the login learning letter file, as shown in the figure below.

4. Enter Xuexin.com's username and password, and then click Login.

5. Find the education and achievement certification mark in the following interface, and then click the view mark, as shown in the figure below.

6. Click on the sign I want to apply for in the following interface, as shown by the arrow in the figure below.

7. In the following interface, the types of authentication that can be applied for are displayed. Click the start application logo below.

8. Click Apply for Certification in the following interface.