: Transfer the .nsp to your SD card and use an installer like Tinfoil or DBI .
: A compressed archive format. You must use a tool like WinRAR or 7-Zip to extract the contents before you can use the game file. Splatoon 3 (NSP)(Converted).rar
: Right-click the .rar file and select "Extract Here." If the archive is split into multiple parts (e.g., .part1.rar , .part2.rar ), make sure all parts are in the same folder and only extract the first one; the software will automatically combine them. : Transfer the
: Load the .nsp file directly into emulators such as Ryujinx or Yuzu. : Right-click the
: This is a "Nintendo Submission Package," the standard digital format for Switch games. These are typically installed on a Switch via homebrew tools like Tinfoil or DBI .