Step one:

Download the emulator

Zsnes

Step two:

Unzip the emulator to c:\super nintendo

for specific instructions click here

Step three:

Download Games

becuase the posetion of comercial roms is illegal...

http://www.emuhq.com
(you have to look for them)

Step four:

Unzip your games to c:\super nintendo

for specific instructions click here

Step five:

go to the folder named: c:\super nintendo and double click Zsnes.exe

Step six:

Go to "game" then "load" go to the folder named "supern~1" and choose the game you wish to play, double click it.

Enjoy!