Things You'll Need
Instructions
Insert your SD card or USB drive into your computer and go to "My Computer." Right-click on your SD card and select "Format" from the submenu. Choose "Quick Format" and click the box "FAT32" to format and partition your card as FAT32.
Create a folder named "Apps" for your emulators and place the corresponding emulator "ROM" folders on the root of the SD card or USB drive. Right-click on the game ROM or ROMs you would like to move to your SD card or USB driver and select "Copy."
Open the corresponding ROMs directory on the root of the SD card or the USB drive and right-click. Select "Paste" to copy the emulator ROMs from your computer to an SD card or USB drive.
Insert the SD card or USB drive and power your Wii on. Select the homebrew channel and browse for your emulator. Launch your emulator by pressing "A" to load the software. Browse for your ROMs and press "A" to launch and play them.