20 16 WPS the specific steps for setting PPT background music are as follows:

The materials to be prepared are: computer, WPS slides.

1. First open the WPS slide to edit and enter the editing page.

2. Then click "Audio" in the pop-up window to open the insert.

3. Then click to open "Audio in File" in the pop-up window, and select to insert the required audio.

4. Then click the audio speaker in the pop-up window to open the top play.

5. Then click Open to start selecting "Automatic".

6. Then click the "Loop until it stops" box.