The footage to gather

  1. The previous task
  2. The new interaction
  3. The changed result

Give each moment a little breathing room. Get close enough to show the detail, and keep the original clips handy.

Plan a first-session lesson

Opening

Explain what the user needs ready before beginning.

Middle

Group setup into a few checkpoints and pause on any choice that affects the result.

Ending

Point to the first useful action after setup.

Review it for product launches

Separate features available now from roadmap ideas.

Ask yourself: Can the user tell what is required and what can wait?

Watch it as if you were seeing it for the first time. If something is unclear, try a different cut or add the missing shot.