: You must have every part (e.g., part1.rar , part2.rar , etc.) in the same folder.
: Right-click on Part 1 and select "Extract Here" using software like WinRAR or 7-Zip . It will automatically pull data from part2.rar to create the final .nsp file. KIRBNTFLAND-NSwTcH-[BASE]-NSP-Ziperto.part2.rar
: The file format (Nintendo Submission Package), commonly used for digital Switch games. : You must have every part (e