connect your wii to the web assuming it isn't already homebrewed. update your system to 4.3U/J/E and google Letterbomb. Then have an SD card handy and download the full package they offer. once you get homebrew up and running look up USB Loader GX on 4.3 U there are several videos to show you how to install the custom wads you need to get your wii running isos in no time.