Instructions
Turn on your Wii. Point your Wii remote at the "Check Mii Out" channel icon and push the "A" button.
Point your Wii remote at the "Start" button and push the "A" button. The "Check Mii Out" channel will open.
Point and click on the "Popular" button to find some of the popular Miis. You also can click on the "Top 50" or "Grab Bag" buttons. A collection of Miis will appear on the screen.
Point and click on a Mii. An "Import Mii" button will appear.
Select "Import Mii." This will download the Mii onto your Wii console. You now can use the downloaded Mii as a character in the games you play.