Preparation tools: computer, WPS software

1. Turn on the computer, find the PPT that needs to be modified on the desktop, and click on the PPT to enter the next page.

2. Find the music that needs to be modified on the new pop-up page, and left-click the mouse to select the inserted music.

3. After selecting, find the effect option on this page, click to select this option to enter the next page.

4. Find the drop-down option after the start on the new pop-up page, click to select the option to enter the next page.

5. Find the click-on option on the newly popped-up page, and click this option to perform related functional operations.