Tinfoil is a popular tool for installing NSP files directly from an SD card or via USB.

Keeping your copy of updated is essential for accessing new content like the Luigi's Balloon World mini-game (Version 1.2.0) or Nintendo Labo VR support (Version 1.3.0). Depending on whether you are using a standard console or a modded device, the installation process for an NSP (Nintendo Switch Package) update differs significantly. 1. Standard Installation (Official Method)

Place your file into the nsp folder on your SD card. Open the Tinfoil app on your Switch. Navigate to File Browser > SDMC . Find your update file, select it, and choose Install . Using Goldleaf