There is a much easier answer to this: Chromecast.
https://store.google.com/product/chromecast_2015
Setup is really simple. After setup, you basically "cast" the video you want from your computer/phone to the chromecast plugged into the tv you want the video to play on. This works with all Windows (7 / 8 / 10) and Android Phones and iPhones. Been using one for several years now.
https://store.google.com/product/chromecast_2015
Setup is really simple. After setup, you basically "cast" the video you want from your computer/phone to the chromecast plugged into the tv you want the video to play on. This works with all Windows (7 / 8 / 10) and Android Phones and iPhones. Been using one for several years now.