Joselyn has a Netgear Streaming box and it's no longer supported. Can he turn it into an AndroidTV box? Leo says that it would be a great idea if he could do it. Leo says if anyone would know how to do it, it would be XDA Developers Forums. It's called "rooting," and you go there and input the box's model number into the forum search and see if anyone has done it. He'll have to modify or unlock the bootloader and then find a ROM firmware that can do it.
But if he can't, the only really good Android TV box now is the Invidia Shield. So get that instead. And you can check out these options at AndroidCentral -https://www.androidcentral.com/best-android-tv-boxes.