: Connect your Switch to a PC via USB. Using the DBI Installer , select "Run MTP Responder." Drag the extracted .nsp file into the "SD Card Install" or "NAND Install" folder that appears on your PC.
To play this on a Nintendo Switch, you need a console running like Atmosphere. Valis IV [010070F01901C000][v0][JP].nsp.rar
: It is highly recommended to use backups only of games you own legally. Installing unofficial software or pirated content can lead to a console ban from Nintendo's online services. : Connect your Switch to a PC via USB