The operation of letting music run through the entire ppt is as follows:

Tools: matebook14, windows11, 101 Education PPT8.7.0.

1. Open the PPT document and click "Insert".

2. Click "Audio" on the right and select "Audio on PC".

3. Select appropriate background music and click Insert.

4. The picture below shows the music display speaker that has been inserted into the PPT page.

5. At this time, the page will jump out of the "Playback" settings, set "Start" to automatic, and select the check boxes in front of "Play across slides" and "Loop until stopped". This completes the setting of full loop playback.