I have a box that is small & round and have had it for a long time. I cannot get apple TV on my television
box does not work
Apple TV HD, tvOS 11
Question marked as
This is an image of the Apple TV HD (4th generation) box. Not exactly round. Is that what you have? Identify your Apple TV model - Apple Support
Apple TV HD, tvOS 11
The modern Apple TV app, that offers content such Apple TV+, was introduced with system software tvOS 12.3. tvOS 11 is too old. Please update your Apple TV box. Update your Apple TV - Apple Support
If on-device updating fails, then trying restoring through a computer. Restore your Apple TV - Apple Support