Things You'll Need
Instructions
Download the MoonShell software to your computer, and extract it to your desktop.
Download the DLDI encoder file, and move it to the newly extracted folder.
Download the Win32_GUI tool to your computer.
Plug the SD Card into your computer, and open the setup.exe file found in your extracted folder.
Select your SD Card as the target drive, and click "OK."
Select the "All clear" button, click the check box for the type of SD Card you are using, and press "Setup" to begin the install.
Once MoonShell has installed to the card, eject it from your computer, and insert it into your Nintendo DSi.
Turn on your Nintendo DSi, and select the SD Card from the main menu.
Browse down the list until you find MoonShell. Click on the program's name to run it.