How do I find the Apple TV App on my Samsung?

Select (newer) models Samsung TV support the Apple TV app, either pre-installed or downloadable from the manufacturer’s app repository. Unsupported TVs will need an external streaming device to access the Apple TV app.

Watch in the Apple TV app on Samsung smart TVs - Apple Support

List of Apple TV app-supported smart TVs and third party streaming devices - Apple

If your smart TV can’t find the app, then the TV model may be unsupported.

What is your model TV?

These Samsung models are said to support the Apple TV app: