Click “Add Slide” button in the center of the editing screen.
A new slide will be added to the slide panel in the middle.
You can upload videos or images to each slide and edit them.
All the slides will be viewable in sequence as a complete manual.
Click the three-dot menu at the top right of the slide, and click "Delete”.
A message saying “Slide removed” will appear in the bottom left, and the slide will be removed.