Things You'll Need
Instructions
Download the Hermes cIOS V4 files. Double-click on the downloaded file to extract its contents.
Insert the SD card into the computer. Create a folder in the root of the SD card called "apps."
Drag the extracted files into the "apps" folder.
Unplug all controllers and memory cards from the Wii. Insert the SD card.
Turn on the Wii. Click on the "HomeBrew" channel.
Select the cIOS V4 installer, and press the "A" button on the Wii remote.
Press "A" again to confirm. Press the "1" button to start the installation. Allow the Wii to reboot.