A WAD file (which stands for ) is a file format used by Nintendo for the Wii console. These files act as installation packages. They are highly similar to .apk files on Android or .exe installers on Windows.
: While rare for this specific title, WADs are the standard for any downloadable content or game patches. Installation and Management To use WAD files, a Wii must be "softmodded" with the Homebrew Channel How to Install a WAD: Install WAD Files on Any Wii : 4 Steps - Instructables New Super Mario Bros Wii Wad File
Select the option (green arrow pointing from the chip to the SD card). A WAD file (which stands for ) is
: Always have Priiloader and BootMii installed before managing WADs. : While rare for this specific title, WADs
The actual New Super Mario Bros. Wii game file in .wbfs format stored in the wbfs folder of your USB drive. Step-by-Step Installation
Originally, WADs were used for WiiWare, Virtual Console games, and system updates.