Things You'll Need
Instructions
Turn on your Wii and open up the Wii Home Menu.
Select "Wii Options," located in the lower left corner of the screen.
Select "Wii Settings" and click on the next page arrow. On Page 2, select the option "Internet."
Click on "Connection Settings," and then click on "Connection 1."
Select "Wireless Connection" and then click on "Search for an Access Point." Wait for your Wii to find an access point. It will then bring up a menu stating all of the access points it found. Select the one you wish to connect to and click "OK."
Wait for the Wii to finish testing the connection to see if the signal is strong enough for wireless Internet access. If the signal is strong enough, a menu will appear that will ask if you want to update your Wii. Click "Yes" to update your Wii to the latest version.