On your PC, open the Switch drive in File Explorer, navigate to "7: MicroSD install," and drag the .nsp file into that folder. The tool will handle the installation automatically. Method B: Manual SD Installation Tool: Use Goldleaf.

This guide explains how to handle the archive, which contains a Japanese-region Nintendo Switch Package (NSP) file. 1. Extract the Archive

Connect your Switch to your PC via USB-C. Open DBI on your Switch and select "Run MTP Responder."

To use an NSP file, you typically need a Nintendo Switch with custom firmware (CFW) like Atmosphère .

Open Goldleaf on your Switch, browse to your file, and select "Install." Goldleaf - NH Switch Guide provides a complete walkthrough for managing console content. 4. Important Considerations

Copy the .nsp file to a folder on your microSD card.

Right-click the file and select or "Extract to Amakano..." .

The [v0] in the filename means this is the base version of the game. If there are updates or DLC, they will have different version numbers (e.g., [v65536] ).