Why can’t I get Apple TV on my smart TV

Select newer models TV may have access directly to the Apple TV app among their smart apps.

Other models TV will need to connect to an external streaming device with the Apple TV app.

All the ways to watch in the Apple TV app - Apple Support

Watch on your TV

Apple TV box (4K, HD, and 3rd generation) ﹥

Streaming devices ﹥

Smart TVs ﹥

Gaming consoles ﹥

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

List of AirPlay 2-enabled smart TVs - Apple