A: Yes. You can legally dump your own purchased eShop games from your own Switch using homebrew software like NXDumpTool . This creates a personal backup NSP. Distributing that NSP, however, remains illegal.

A: The Switch is a mobile tablet from 2017. Arkham Knight was designed for PS4/Xbox One. The Switch version requires massive downscaling, lower textures, and heavy dynamic resolution to run at all. The pirated NSP won’t change that—it’s a hardware limitation. Conclusion: Avoid the “Batman Arkham Knight -NSP--eShop-.rar” Trap Searching for "Batman Arkham Knight -NSP--eShop-.rar" is a common entry point into the world of Switch piracy. But the trade-offs are simply not worth it.

A: You don’t. Do not open it. Run a full antivirus scan (Malwarebytes or Windows Defender). If you extracted it, delete the files immediately. Do not transfer them to a Switch or emulator.