# Arrows, boxes and numbered steps on Mac

Mac · 2:05 · Lesson 3 of 4 · Updated Oct 28, 2026

Point at exactly what matters in a screenshot. Draw an arrow, box a button and number your steps — and see why your steps renumber themselves when you delete one.

## What you’ll learn

- Draw an arrow by dragging from the point to the target
- Box any element and change its color and thickness
- Add numbered steps that count themselves
- Edit everything later — even after you copy or share

## Chapters

- 0:00 Open a capture in the editor
- 0:18 Draw and adjust an arrow
- 0:52 Box a button
- 1:20 Numbered steps
- 1:48 Change it later

## Transcript

- 0:00 Press ⌘⇧4 and select the area. Prinx opens it in the editor, ready to mark up.
- 0:18 Choose Arrow, then drag from the point you want to explain to the thing you’re pointing at. Drag either end to adjust it.
- 0:52 Choose Rectangle and drag around the button. Change color and thickness in the inspector.