Fuser-nsp-romslab.rar -

The .rar file is a container. Use a tool like or WinRAR to extract the contents.

To "prepare" or install this content, follow these general steps for a modded Nintendo Switch: 1. Extract the Archive FUSER-NSP-ROMSLAB.rar

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. FUSER-NSP-ROMSLAB.rar