Instructions
Turn on your Nintendo DSi XL.
Tap the "Nintendo DSi Shop" icon on the main menu of your DSi XL.
Tap "Start Shopping."
Tap "DSiWare," located at the top of the bottom screen on the Nintendo DSi XL.
Tap "DSiWare Free."
Tap the free item you wish to download.
Tap "Free" on the bottom screen of your Nintendo DSi XL to download the application followed by "Yes." The application is automatically installed to your DSi XL after downloading.
Launch the application by tapping its icon on your DSI XL's main menu.