The official Root version downloads of YouTube Vanced
- Download the installer found in the Installer files part below 1
- Download the correct APK for your device (below) 2
- Place the downloaded apk into /sdcard/Downloads or inside the installation zip 3
- Completely uninstall all YouTube updates and disable auto-update in the playstore 4
- Flash the installer in TWRP 5
- Profit! 6
Uninstall all YouTube updates and disable auto-update in the playstore. Updated app will override the app installed in the system partition so even if the mod installation succeeds, you will not see it.