Once you have downloaded and located the Super Mario 64 ROM, go to the location of your Switch emulator.To install Super Mario 64 ROM (XCI) on the Nintendo Switch emulator you have to do the following: Install Super Mario 64 ROM (XCI) for Nintendo Switch Emulator (Yuzu) Now you only have to follow the installation steps.If not, check to see which folder you have selected when saving the files. Locate the ROM on your computer, most likely it will be in the download folder.Wait for the file download to complete.Please note that our links are tested and virus free. Your computer may ask for download permissions because it is an unknown file.Download Super Mario 64 ROM (XCI) by clicking on the link below:.