Mac
AirPlay or a cable- 1
Open the TV link in Safari or Chrome and press Start the show.
- 2
Open Control Center from the top-right of the menu bar, choose Screen Mirroring, and pick your Apple TV or AirPlay-compatible TV. If it asks, choose Mirror Built-in Display.
- 3
No AirPlay? Run a USB-C to HDMI adapter (or the Mac's own HDMI port) into the TV, switch the TV to that input, and drag the browser window onto it. If it lands on the wrong screen, System Settings › Displays › Arrange.
- 4
Keep the Mac plugged in and the lid open. Start the show keeps the screen awake; a closed lid still puts it to sleep.
