How do I add sound to a PowerPoint presentation?

To add sound to a PowerPoint presentation, follow these steps:

1. Open the PowerPoint presentation and go to the slide where you want to add the sound.
2. Click the “Insert” tab in the ribbon and click the “Audio” button in the “Media” group.
3. In the “Audio” window, select the “Audio on My PC” option and click the “Browse” button to locate the audio file that you want to insert.
4. Select the audio file and click “Open” to insert it on the slide.
5. To customize the sound, click on the audio icon on the slide and use the buttons and options in the “Audio Tools” tab in the ribbon to change the volume, start/stop settings, and other options.

By following these steps, you can change a PowerPoint template and add sound to your presentation using the tools and features provided by the application.