In source, you can select which screen or attached monitor you want to display on TV. Use this option to put the screen of your Mac on TV. It will show your device when it has found it. After launching the app, you will see the app icon appearing in the top bar of your Mac and the app will look for your Roku device on the network. Make sure that your Roku device is on the same local network and same subnet as your Mac. Also, this app works without the need for an Apple TV or Airplay. No wires and no additional hardware needed! You can also stream individual video files from your Mac to your TV.
