Things You'll Need
Instructions
Insert an SD card into the slot on the front of your Wii console.
Turn on the Wii console and press the "A" button on the controller to launch the menu.
Click the round "Wii" icon in the bottom corner of the screen.
Click "Data Management" from the Wii menu.
Select "Save Data," then select "Wii." You will see all of the saved game data located on your Wii's hard drive, including the "Wii Fit" data.
Select the "Wii Fit" game data icon.
Click "Copy" to create a copy of the game data to the SD card and confirm the copy when prompted. You will now have a copy of your "Wii Fit" game data on the SD card, which you can use on another Wii system or store as a backup.