Things You'll Need
Instructions
Configure Your Wii Console
Configure the Internet settings for your Wii console. If you have already configured your Wii for Internet access, skip to Section 2. If not, start on the Wii menu screen. Click "Wii" in the bottom-left corner. Click "Wii Settings". Click the arrow on the right side of the screen to scroll to the next page. On Page 2 of settings, click "Internet". Click "Connection Settings".
Add a connection. Click "Connection 1". Click "Wireless Connection". Click "Search for an Access Point". Click "OK" to view the found access points.
Configure the connection. Choose the correct access point. If there are multiple access points listed, choose the one you recognize. Input the password or key if your access point is secured. Click "OK" to save the settings. Click "OK" again to test the connection.
Update your Wii console. If your connection test is successful, your Wii might find system updates. Click "Yes" to update your software. Click "I Accept" after reading the notice. It might take several minutes to update.
Configure Mario Kart Wii
Navigate back to the Wii Menu screen. Insert the "Mario Kart Wii" game disc in the disc slot. Select the "Mario Kart Wii" channel, and click "Start". Select a license, or create a new one.
Click "Nintendo WFC", and decide how many people will be playing.
Choose between "Worldwide", "Regional", and "Friends". In both "Worldwide" and "Regional" competitions, Nintendo assigns competitors randomly based on location. In "Friends" competitions, you can race against people on your friend roster.
Configure your game settings. Choose between "VS" and "Battle" for your preferred game mode. Then, choose your character, vehicle, and drift mode. Once you choose settings, Nintendo WFC will locate opponents. Vote on a course, and get ready to race.