When you right-clicked and selected "Edit" instead of simply opening the file, you told the stickman documentation system to start modify it. The window looks just the same but you can right-click the left menu.
Right-click on the left side and select "New Tutorial".
The "Tutorial Editor" window will appear.
If you select "Animation..." on a slide you can record screenshots.
To record, just click "Record" and hit Prt Scr button each time you want a screenshot. Try it out and you will understand how it works.
The "Show Cursor" button controls whether the animation should follow the cursor or just stay still. Use the zoom buttons to get a better view.