: Any files online claiming to be a "New Super Mario Bros. U Wii ROM" are usually either fake files containing malware or custom fan-made modifications (ROM hacks) of the older 2009 game, New Super Mario Bros. Wii . The Best Alternatives: ROM Hacks for the Original Wii
If you have a , I can guide you on how to set up Riivolution for the Newer Super Mario Bros. Wii mod. Would you like the steps for that, or are you looking to transfer the files to a USB drive ? Dolphin, Console, + NO Disc (riivolution iso patcher) New Super Mario Bros U Wii Roms For Wii-
If you want to play a digital backup (ROM/ISO) of the game on your computer, you can use , the premier Wii U emulator for Windows PC. : Any files online claiming to be a "New Super Mario Bros