Pick the version appropriate for your operating system and download the files. The actual emulator can be somewhat difficult to find at times, but one mirror exists here. This guide focuses exclusively on using the SNES9X emulator. In this guide, we show you how to play the ROM images on your computer. With a number of improvements to the system, games became more intricate, complex, and sophisticated. The Super Nintendo Entertainment System (SNES) is the game console that preceded the NES console.