1. Make sure your smart TV or streaming device is set up.
2. Make sure your computer is connected to the same Wi-Fi network as your smart TV or streaming device.
3. On your computer, in a Chrome web browser, go to youtube.com.
4. Select the video you want to watch and click the Cast  icon in the video player.
5. Select the device you want to cast to and wait for it to connect. Once connected, the video will play on your TV.
6. To disconnect, click Cast , then click Stop casting to disconnect.