Ensure your console has the latest sigpatches installed. Without these, the Switch will fail to launch custom NSPs.
If the .rar contains multiple files, install the Base Game first, followed by any Updates and then DLC.
To "prepare" or install this content, follow these general steps for a modded Nintendo Switch: 1. Extract the Archive FUSER-NSP-ROMSLAB.rar
Place the .nsp file on your SD card, then use your installer of choice to "Install from SDMC". 3. Verification
Use a tool like DBI or Tinfoil on your Switch and a companion app like NS-USBloader on your PC to transfer the file directly over USB. This avoids the 4GB file size limit of FAT32 SD cards. Ensure your console has the latest sigpatches installed
FUSER's official multiplayer servers were shut down in December 2022, so the single-player campaign and freestyle modes will be the primary functional components.
The .rar file is a container. Use a tool like or WinRAR to extract the contents. To "prepare" or install this content, follow these
You should find one or more .nsp files inside, which are the actual game or update packages. 2. Choose an Installation Method