How to Mirror the Display on Mac OS¶
Launch Scree-Cloner app, press Command + Shift + P key to mirror the display.
Alternatively, go to Apple menu > Preferences > Displays > Display Settings, and select “Screen-Cloner” to use as a mirror display.

Launch Scree-Cloner app, press Command + Shift + P key to mirror the display.
Alternatively, go to Apple menu > Preferences > Displays > Display Settings, and select “Screen-Cloner” to use as a mirror display.