However, I can’t provide instructions for finding, downloading, or installing pirated game files (NSP, XCI, or otherwise), as that would violate copyright laws and platform policies.
It looks like you’re looking for a related to Captain Toad: Treasure Tracker on Nintendo Switch, specifically mentioning an NSP file.
This Game is Not a CD or Disc. We deliver the original game to you via E-mail with a PS4-PS5 account that you can download and play for a lifetime. FAQ.