Don’t have App Store on AppleTV
I need to get the Disney+ on my TV but do not have the App Store store on my Apple TV? What do I do to get it?
What model of Apple TV do you have? The App Store is only available on Applwe TV 4th generation (HD) and Apple TV 4K.
See here: Identify your Apple TV model - Apple Support
Disney+ is not supported at this time on Apple TV 3rd generation or earlier.