Things You'll Need
Instructions
Select the Wii logo in the lower-left corner of the main menu to be taken to the console's settings. A Wi-Fi connection is needed to connect two Wii consoles.
Press "Wii Settings", and scroll to the "Internet" option. From there, click on "Connection Settings".
Choose one of the available selections, and confirm the "Wireless Connection" option. Press the "Search for Access Point" option to have the Wii console look for the best local Wi-Fi connections available. Pick your preferred access point.
Save your settings, and the Wii will test the connection. If the Wii asks to perform an update, press "Yes" to download it.
Access the "Address Book" option from the Wii main menu under the Wii Message Board. Your Friend Code is listed left of Page 1. Share your code with a friend you wish to connect to. Obtain your friend's code, and enter it by pressing the "Register" button in the Address Book. Select the Wii option, and enter the Friend Code.