Once that is done, you will have a new Channel on your home screen called “The Homebrew Channel,” and the geeky fun can really begin!
HOW TO GET FREE WII GAMES SD CARD INSTALL
It can also optionally install DVDx (which lets you use apps that use the DVD drive: recommended) and BootMii (which protects against bricking).
Now fire up your Wii and go to SD Card menu in the bottom left of the home/channel screen.Copy the HackMii installer file, “installer.elf,” to the root of your SD card and rename it to “boot.elf”.