Use a USB drive or a cloud storage service (like Google Drive) to transfer the downloaded APK file to your Android TV.
First, it's important to understand exactly what version 2.07.02 is. This is a legacy version of YouTube for Android TV, originally released by Google in mid-2019. The most common variant you'll find (version code 20702330 ) was built to run on devices with Android 5.0 (Lollipop, API 21) and up. Given its age, it lacks nearly all the modern features introduced over the past several years. However, for those with older hardware, it may be a functional solution. youtube for android tv 2.07.02 download
You must give your television permission to install files from unknown sources. Turn on your Android TV and open the menu. Use a USB drive or a cloud storage