What of Android TV or streaming box are you using?
YouTube for Android TV 20702: Download Link and Installation Guide youtube for android tv 20702 download link
Navigate to > Security & Restrictions (on newer Android TV/Google TV versions, go to Apps > Special app access ). What of Android TV or streaming box are you using
When you search for "youtube for android tv 20702 download link," you will find dozens of sites like apkpure.com , apkmirror.com , apkcombo.com , or shady forums (XDA Developers is safe; random blogs are not). then try installing version 2.07.02 again.
If the installation fails with a "Package appears to be corrupt" or "App not installed" error, you must first uninstall your current version of YouTube. Go to Settings > Apps > YouTube > Uninstall Updates (or Uninstall ), then try installing version 2.07.02 again.