Things You'll Need
Instructions
Go to the Wiikey website. Click the "Downloads" tab and then "Members." Create a new Wiikey user account or log in if you already have one.
Click "Wiikey 2" and then "USA." Click "Get this file" to download the newest firmware update. As of September 2010, this update is version 1.3 "Odyssey." Agree to the terms and conditions and then click "Download."
Insert a CD or DVD into the computer. Burn the update to the disc using any desired burning software.
Place the disc into the Nintendo Wii. Follow any on-screen prompts that appear to apply the update.