Instructions for setting up rIPTV on Apple TV:

Download “rIPTV” from the Apple App Store here.
Install and open “rIPTV”.
Click the plus “+” symbol in the “Playlists” menu.
Select “Load from Playlist”.
Enter a name in the “Name” field (Example: TOPIPTV)
Enter or paste your unique playlist URL into the "URL" field (verify your activation email with TOPIPTV support).
Choose your country from the "Country" list.
Click "Save".
Now you can click on the “TOPIPTV” service in “Playlists” to start watching.

Please contact support and purchase your subscription indicating the configuration you have.