In this video, viewers learn how to install Wiiflow. Viewers will need to install cIOS 249 and 222 / 223. Wiiflow is USB Loader that you can use on a Wii that have modified or hacked. Wiiflow enables you to play your "legal ISO backup" by using any USB storage device like a thumb drive or a more substantial external hard drive. This video demonstrates how to do this in a way that is easy to follow.