There are many physical retail computer stores that you could visit in order to get a software program that would allow you to copy wii games or many other games from different video game systems but the easiest way in order to find software for copying games is actually right at home on your personal computer. You can go to your search engine and search for software to copy your games and many websites will come up for you to research through. There are websites that will also give you advice on which software programs are the easiest and best to use.