Whether you’re on an Apple device or an Android device, screencasting to your television is simple (though slightly different for each device).
Whether you’re on an iPhone, and iPad, or a Mac, Apple makes it easy to Airplay videos to your television with an AppleTV or a smart tv with Airplay support.
Assuming your television and AppleTV/television are both connected to your home network, just look for this icon on the video:
Click or tap that and it will walk you through playing the video on your television.
This method is incredibly easy. Any time you want to play a video on your television, just hit that icon and watch.
If your device is connected to the same network as a Chromecast-supporting television, just look for this icon on the video:
You can also use your Windows computer to play videos on your television.