The Super Nintendo Entertainment System (also known as Super NES, SNES, or Super Nintendo) was a 16-bit video game console. Nintendo released it in Japan in 1990 as the Super Famicom (or SFC for short). They later they released it in North America, Europe, and other territories. The Super Nintendo was the best-selling 16-bit game console of its era, despite a late start and competition from the Sega Genesis.
These days there are many great emulators for the Super Nintendo, and several have high emulation accuracy. Playing and completing games with these emulators should be no problem. If you want accurate emulation, higan is your best choice if your PC is fast enough. If your PC is too slow for it or you want a more friendly UI, try Snes9x. Despite its high ranking on this page, you should skip ZSNES.
Full details http://wiibrew.org/wiki/Snes9x_GX