Things You'll Need
Instructions
Sign up for an online music service for the Nintendo Wii and log in to the account. Once you've opened up your profile page, click on the "Upload" button.
Select the music files you want to upload. Open up the folder that has the music files on your computer and upload them to the online music service.
Turn on your Nintendo Wii and open up the "Internet Channel." Wait for the Internet to open and select the "www" button.
Enter the website address of your online music service in the text fields and log in using your Wii remote.
Select the files you want and press the "A" button on your Wii remote to download and play music on the Wii.