Instructions
Open your Internet browser. Click on the address bar and navigate to Microsoft Downloads.
Select "Gaming" from the options at the top of the screen and then choose "Xbox 360 Controller for Windows."
Select your operating system and then click on the "Download" button to download the software to your computer. Open the downloaded software to install the drivers on your computer.
Plug the USB connector on your Xbox 360 into the USB slot on your computer. You will find a USB slot on the rear of a computer tower unit and on the side of a laptop.
Open up the ZSNES Emulator on your computer. Click on the "Config" button and select "Devices."
Click on the "Gamepad" option for "Port 1." Click on the "X" in the top right corner of the Devices window to save the changes.
Click on "Game" and select "Load." Choose the SNES game you would like to play on your computer and click the "Open" button. You will now be able to play the game using your Xbox 360 controller.