Once you Have downloaded all of the files, you can drag and drop whatever game you want to play into the
VirtuaNES file or the one that says virtuanes.exe
To move you use W A S D and for the "a" and "b" button you use the left arrow key for "a" and the right arrow key
for "b". You can change these controller settings by clicking the option menu and going to controller. To save 
a game you press the "s" button on your keyboard and to load the point that you saved you press the "L"
button. If you have any questions, leave feedback on the website.