Apps like USB Loader GX or WiiFlow act as your digital game library interface.
The Definitive Guide to New Super Mario Bros. Wii WADs: Homebrew, Emulation, and Legal Realities new super mario bros wii wad download
The legitimate method to obtain the game file is by from a physical game disc you own. You can do this using a homebrew-enabled Wii with an application like CleanRip , which will save the game as an ISO or WBFS file. From there, you can use a tool like YAULCT (YAWMM Auto-Untile Loader Creator Tool) to convert the ISO file into a WAD package for easier installation. Apps like USB Loader GX or WiiFlow act
Create a folder in the root directory named wad (lowercase). You can do this using a homebrew-enabled Wii
Prevention: Never install a WAD file without having brick protection software like and BootMii installed on your console first. Malware and Phishing