The first three versions didn’t allow this.
Just like on the iPhone and iPad, you might redownload apps on Apple TV, too.
But that doesn’t mean that new apps don’t get added.
Lifewire
When the Apple TV debuted, it had less than a dozen channels of Internet content.
By the time Apple stopped making these models, there were dozens.
For the latest apps and most options, upgrade to one of the new Apple TV models.
Apple
2nd Generation Apple TV.Mikepanhu / Wikimedia