It is very simple, you only need a memory card and a pc
Download the following:
Burn it with balena etcher and replace the corresponding file in the tree folder with your processor in the root.
Download the coreelec application on your TV box, when running it starts the micro SD, with the emulation system.
When starting connect a remote and connect to wifi or cable.
Search from your network pc to the TV box and add the network ROMs.
When done press start and press search games.
That's it, when you finish playing in the options run reboot in nand.
Download the following:
Burn it with balena etcher and replace the corresponding file in the tree folder with your processor in the root.
Download the coreelec application on your TV box, when running it starts the micro SD, with the emulation system.
When starting connect a remote and connect to wifi or cable.
Search from your network pc to the TV box and add the network ROMs.
When done press start and press search games.
That's it, when you finish playing in the options run reboot in nand.