Step-by-Step Guide to Screen Capture on MacBook Air
1. Locate the screen you want to capture.
2. Press Command + Shift + 4 on your keyboard.
3. Your cursor will turn into a crosshair.
4. Click and drag to select the area you want to capture.
5. Release the mouse button to take the screenshot.
6. The screenshot will be saved on your desktop by default.
Capture screen on MacBook Air, detailed guide