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What (Windows, macOS, Linux) do you prefer to use for this process?

: This stands for Nintendo Submission Package . It is the official file format used by Nintendo to deliver digital games, downloadable content (DLC), and system updates through the Nintendo eShop. Modern custom firmware uses this format to cleanly install titles directly to the system's home menu via package managers. Essential Prerequisites

In the context of modern Nintendo Switch modding, typically refers to the process of converting raw binary data—often associated with proprietary flashcart formats like the Mig Switch (.xci + .bin)—into the standard NSP (Nintendo Submission Package) format used by custom firmware (CFW) like Atmosphere. Understanding the Formats

Drag your .bin file directly into the command window and press Enter. Select Output: Choose the option to build an NSP file.