: Downloading commercial games you do not own is generally considered copyright infringement.
: Files from third-party sites often contain malware or "bricks" that can disable your console.
: Use a tool like 7-Zip or WinRAR to extract the .nsp from the .rar . Transfer : Move the file to your Switch's SD card.
: Ensure your console has the latest sigpatches installed; otherwise, the game may fail to launch with a "corrupted data" error.