Even with CFW, you can’t just paste the NSP file. You need an installer like:
These tools convert the NSP into installable data on the Switch’s internal memory or SD card. descargar juegos nintendo switch nsp mediafire work
If you want to avoid the headache of fake links, the best places to find working .nsp links (often hosted on MediaFire, GoFile, or 1Fichier) are dedicated piracy communities rather than random Google search results. Even with CFW, you can’t just paste the NSP file
The standard today is Atmosphere. You’ll need to: These tools convert the NSP into installable data