Things You'll Need
Instructions
Turn on your Wii. Double-check to make sure it has connected to the Internet.
Insert a Nintendo Wii game with Wi-Fi online play compatibility into your console. Select the game on the Wii's main menu.
Enter your friends' friend codes into the game's address book or friend list equivalent. Have your friends do the same with your friend code on their copies of the game.
Start one of the game's online play modes and invite your friends to join.