how can you confirm your apple tv 4k hdr has the latest software?

Ladybug73 wrote:

I thought maybe we were on the right track - where do I find the first screen to select settings? Is it on my TV?

Urquhart provided a great set of screenshots, which I thought would solve your problem.

Navigate Apple TV, from the Apple TV User Guide demonstrates how to use the "Home Screen" Be sure to review the Apple TV User Table Of Contents for additional help.

Please refer to Update Apple TV software - Apple Support.

How to update your Apple TV - Apple Support may provide an alternative explanation.

Maybe this will help:

Do you have an Apple TV box (an external HDMI device), or does your TV have the Apple TV app among its smart apps? Very different features, very different settings.

You are welcome.