How to Mirror, mirror

Pick your presentation

AirPlay’s screen mirroring option enables you to share your Mac’s screen with a TV or display. To begin, open your presentation and then select Control Center > Screen Mirroring.

Pick your target

Now all you need to do is select the destination for your screen mirroring. Don’t worry, screen mirroring hasn’t ruined the colors of our original; our iPhone camera has just overcompensated here.

Know what’s coming

In Keynote, pressing play on your presentation doesn’t just display the presentation on your external display. It also puts Keynote into presenter mode on your Mac, where you can see your progress and make changes as you go.