You just started. Congrats!
Starting is the first step.
Keep learning and you will reach Level 2 in no time!
People who have reached this:
Safe Techniques To Install Unknown Apps Android TV Safely by Jaime
Is It Possible?: Install Apps On Non-Android TV by Jacelyn
Essential Knowledge To Manage Apps On Android TV Properly by Randell
Authority-Tested: The Best Apps For Android TV List by Michale
Authoritative Fixes For Troubleshooting APK Installation Android TV by Modesta
A Professional Approach To How To Install APK On Android TV by Theo
Essential Knowledge To Manage Apps On Android TV Well by Troy
Trusted Counsel On Enable Unknown Sources Android TV by Chastity
Authoritative Advice On Enable Unknown Sources Android TV by Patty
Learn How To Install Android Apps On Smart TV With Ease by Nannie