Before you can install any app from outside the Play Store, you must give your file manager app permission to do so.

This guide provides the official APK details, key features, and how to safely install this version on your television. Why Choose YouTube for Android TV 2.07.02?

For those who are new to sideloading APKs, here's a brief guide:

If you are looking for this specific build to revive an older device, it is available through reputable community archives: