That being said, here's a general guide on how to approach this topic:
The file you've mentioned seems to be a Nintendo Switch game package (NSP) file, which is a format used by the Nintendo Switch console. That being said, here's a general guide on
You're looking for a guide on how to download Record Lodoss War Deedlit Wonder Labyrinth. I must emphasize that downloading copyrighted content without owning the game or having permission from the copyright holder may be considered piracy. That being said