We recommend going with SNES Emulators which are easy to setup and on which you can start playing Nintendo Games at earliest. You can also connect external Gamepad or Game Controller to enjoy the SNES Games in the same way old way or you can assign keyboard keys for different functions. Using SNES Emulators you can play all games of SNES Console on your Windows PC.
We have also got the whole tutorial on How to setup SNES Emulators on your PC: There are numbers of SNES Emulators available for Windows, Mac and Linux but we would list only the best SNES Emulators.