Gastationsim-(usa)-nswtch-[base]-nsp-ziperto.rar

Copy the extracted .nsp file into a folder on the SD card (e.g., a folder named install ).

Drag and drop your .nsp file directly into that folder; the app will handle the installation automatically. GASTATIONSIM-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar

Right-click the file and select "Extract Here." This should produce a file with a .NSP extension (the actual game data). 2. Installation Methods Copy the extracted

This is often faster as it skips the step of copying files to the SD card first. Connect your Switch to your PC via a USB-C cable. Open on your Switch and select "Run MTP Responder." GASTATIONSIM-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar

Reinsert the SD card into your Switch and boot into your CFW environment. Open an installer app like Tinfoil or DBI .