View photos and videos in Photo Booth on Mac
Select photo or video thumbnails to view them.
In the Photo Booth app on your Mac, do any of the following:
View a photo or a video: Select a thumbnail. When viewing a 4-up photo, click one of the photos to view it.
Control a video: Move the pointer over the video. Click the Play or Pause button, or drag the playhead to choose where playback starts.
Browse thumbnails: Swipe left or right or use the arrow keys on the keyboard to browse thumbnails.
View a slideshow of your photos: Choose View > Start Slideshow, then use the controls at the bottom of the screen. Hold the pointer over a control to see what it does.