How to add Apple TV to my tv

If you are referring to the Apple TV app please refer to https://www.apple.com/apple-tv-app/ to see if you have a TV that has the ability. If your TV does not have the ability you need to purchase a device such as an Apple TV HD or Apple TV 4 as listed in the same link.

Apple TV app-supported devices - Apple

Hello,

Connect your Apple TV using a HDMI lead.