Use a file manager homebrew (like or DBI ) to locate the file on your SD card and select "Install". 4. Troubleshooting
: If your installer reports an "invalid NCA signature" or "invalid header," select "Yes, I understand the risk" (ignore it), as this is common in homebrew dumps.
: Ensure your SD card has sufficient free space, as compressed .nsp files expand during installation. NSS ][v0][US].nsp.rar
: Use WinRAR, 7-Zip, or similar software to extract the contents of NSS ][v0][US].nsp.rar to a folder on your PC.
: The uncompressed file is a Nintendo Submission Package, which holds the game, update, or DLC. Use a file manager homebrew (like or DBI
Install Java on your PC and download the NS USB Loader tool.
: Indicates this is base game version 0 (initial release) for the American region. 2. Pre-installation Steps (PC) Before trying to install, you must prepare the file: : Ensure your SD card has sufficient free
: A compressed archive file. You cannot use this directly on a Switch.