Use video conferencing features on Mac
Depending on your Mac model, you may be able to use video conferencing features like screen sharing, Presenter Overlay, video effects and reactions while you use an app that captures video. If you have a supported iPhone, you can also use your iPhone as a webcam on Mac with video conferencing features.
Share your screen in a video call
Go to an app that captures video, such as FaceTime, and make a call.
Click
in the menu bar, click 
, then do any of the following:Share the entire screen: Share your entire screen in the video call. Click Share Entire Screen.
Share a window: Share one app window. Hold the pointer over the window you want to share, then click Share This Window.
Share an app: Share all the windows of a single app. Hold the pointer over a window from the app you want to share, then click Share All Application Windows.
When you no longer need to share your screen, click Stop Sharing.
Use Presenter Overlay
If you are using a Mac computer with Apple silicon or Continuity Camera with an iPhone 12 or later as a webcam, you can use Presenter Overlay to customise the appearance of your video while sharing your screen.
Go to an app that captures video, such as FaceTime, and make a call.
Click
in the menu bar, then click . Select one of the following options under Presenter Overlay:None: Your video appears in a window that’s separate from your shared screen.
Small: Your video appears in a movable bubble that shows a cropped view of you within your shared screen.
Large: Your video is the most prominent feature in the window and your screen is framed next to you on a separate layer.
When you’ve finished with your presentation and no longer need to share your screen, click Stop Sharing.
Note: If you don’t see Presenter Overlay as an option, the app you’re using doesn’t support it.
Add reactions
When using an app that captures video, such as FaceTime, you can add reactions that fill the camera frame with fun, 3D augmented reality effects — including hearts, balloons, fireworks and more.
Go to an app that captures video, such as FaceTime.
Click
in the menu bar, then click 
next to Reactions and select a reaction.If you can’t see the arrow, click Reactions to turn on the feature.
Click a reaction, or use a hand gesture to generate a reaction. Choose any of the following reactions:
Reaction | Gesture | Icon |
|---|---|---|
Hearts |  |  |
Thumbs-up |  |  |
Thumbs-down |  |  |
Balloons |  |  |
Rain |  |  |
Confetti |  |  |
Laser |  |  |
Fireworks |  |  |
Note: When using gestures, hold your hands away from your face, and pause for a moment to activate the effect.
You may also be able to turn on Desk View, which mimics an overhead camera and shows a top-down view of your desk. See Use Desk View. (Desk View is available on Mac computers with the 12MP Center Stage camera or if you’re using Continuity Camera with iPhone 11 or later.)