Tools/Materials: iphone8, ios 13.6, Intelligent Primary and Secondary Schools 6. 1.6.

1. First download the "Smart Primary and Secondary School" APP and go to the home page.

2. After entering the "Smart Primary and Secondary Schools" APP, click on the "Course Teaching" section at the top and select "Grade, Subject and Volume".

3. Choose a good grade, subject and book, and then click the chapter or unit, as shown in the figure below.

4. After entering the chapter, click the download button as shown in the figure to download the courseware.

5. Click on the chapter courseware to download, as shown.

6. Click the "View Offline Management" button at the bottom.

7. Finally, click the "Finish" button to view the downloaded courseware.