1. Open the clip and click "Start Creating".

2. Click "Photos", select a photo, and then "Add to Project".

3. After adding it, it will be a 3-second video. Select the photo track and drag the right white box to the right to set the video duration.

4. Click "Add Audio".

5. Click "Music".

6. Click "Use" music.

7. Cut the music so that the music and video are aligned, and then click "Export".