Instructions
Turn on your Nintendo DSi.
Tap the "Nintendo DSi Shop" icon.
Tap "Start Shopping."
Tap "DSiWare."
Tap either a price point, or "Find Titles."
Tap the title you wish to purchase and download.
Tap "Download." The DSi points are deducted from your total, located at the top of the screen, and the game is downloaded.
Tap the game icon from the DSi's main menu to play the game.
Repeat this process to put additional games on your Nintendo DSi.