How to add music to the class?

1. Click to open a powerShow, and then click the+sign to select a picture to add music.

2. After the pictures are uploaded, you can freely add and choose your favorite music.

3. After adding music, select the export function, then select the picture size, and finally click Export.

4. Select the location to save, give the picture a name, and then click Save.

5. Select the trial in the pop-up page to complete the picture export.

6. done.