Cemu will automatically install the update to your virtual file system (the mlc01 folder). Critical Game Files
Now, regarding emulation: Cemu is a popular emulator for Wii U games, allowing players to experience these titles on their PCs. The emulator has gained significant attention over the years, with many users appreciating its ability to run games at high resolutions and with improved performance. New Super Mario Bros Wii U Cemu UPD Download