authenticate with the Mac to confirm you want it activated. Once enabled, a microphone icon will appear on the desktop, showing the detected volume of the selected microphone. You can change the microphone by using the Microphone dropdown within the Accessibility screen, while another dropdown will let you switch between different installed languages that will work with Voice Control. You can quickly start and stop Voice Control detection by saying "Wake up" or "Go to sleep." Alternately, click the Wake Up or Sleep option on the aforementioned microphone icon. Overlays Another dropdown box called "Overlay" will give you the option to permanently show two different types of overlay, which will be crucial to the Voice Over experience.