I reinstalled the Apple TV APP AND GET TO THE HOME SCREEN BUT CANNOT ACCESS ANYTHING

Hi 8183duke,

Welcome to the Apple Community, where some of us do our best to help each other.

Apple support have articles online to help guide you:

Watch on Samsung Smart TVs

You just need an Apple ID to sign in:.

(A single Apple ID and password gives you access to all Apple services)

https://supporhttps://supporthttps://support.apple.com/en-us/HT207254

How to create your Apple ID if you do not have one::

https://support.apple.com/en-au/HT204316/

All the ways to watch Apple TV+ and more

https://support.apple.com/en-au/guide/tvplus/welcome/web

Watch movies, TV shows, and live content in the Apple TV app

https://support.apple.com/en-us/HT207254

For settings, etc:

Apple TV App User Guide

for smart TVs and other devices

(Tip: Click on Table of Contents at the top, for topics and details)

https://support.apple.com/en-au/guide/tvapp/welcome/web

Eg: How to sign in to the Apple TV app

https://support.apple.com/en-au/guide/tvapp/atvbf947803a/web

Hope this helps you begin watching ok :)

Oops, sorry

Something weird happened to that first link ...

Watch on Samsung Smart TVs

https://support.apple.com/en-au/guide/tvplus/apdd0693a79d/1.0/web/1.0

Apologies :)