This method captures your entire screen, including your slides, transitions, and your voice if you enable the microphone. : Open Settings > Control Center .

Swipe down from the top-right corner to open the .

Find and tap the green plus icon to add it. Set Up the Recording : Open your presentation in Keynote.

Go through your slides as usual. You can even use an to draw or highlight points live. Stop and Save :

: Once audio is added to all slides, tap the More (...) button, select Export , and choose Movie to create a video file where the slides advance automatically with your voice. Alternative: Using a Third-Party App Record Keynote presentations on Mac - Apple Support