Things You'll Need
Instructions
Purchase a Nintendo Points Card. These cards can be found at retail locations or at online retailers, such as Amazon.
Turn on your Nintendo Wii console and navigate to the Wii Shop Channel by selecting the "Wii Channel" access point on the Wii channel menu.
Click on the "Start Shopping" button inside the Wii Shop Channel. Select "Add Wii Points;" then select "Redeem Nintendo Points Card."
Look on the back of your Nintendo Points Card for the silver area that needs to be scratched off. This will reveal your activation number.
Input the activation number into the space on the screen and click "OK." Wii points will be added to your account.