2, how to install the player: all have browsers, directly input and download after networking, for example: download the iQiyi player, you can find it on the webpage, just like we download it on the computer.
3. It still doesn't work. You can contact the manufacturer directly after sale, and someone will guide you.
Both are fine. Mine is direct DIY, and it is also the f3 navigator of Huake Zhilian. There is nothing to do. I hope I can help you.