
Select the Apple TV (or other AirPlay receiver) from the device list.Hover the cursor over the playing video and click the “AirPlay” button (it looks like a little TV).



In order to AirPlay a YouTube video from the Mac to an Apple TV, you’ll need the following an Apple TV (3rd generation or later) connected to a TV, a Mac with OS X El Capitan or newer, both the Mac and Apple TV must be on the same wi-fi network, and you’ll need to use Safari.
