If you prefer a secure, legal version with official updates and DLC access:

Use Zadig on your PC to install the necessary USB drivers for your Switch.

The digital "cartridge" file for Pic-a-Pix Deluxe .

To download and install as an NSP file for a modified Nintendo Switch, you can follow these general steps using community-trusted homebrew tools. 1. Requirements for NSP Installation

To use NSP files, your Nintendo Switch must be running like Atmosphere. A Modded Switch: Must have a working homebrew environment. SD Card: Formatted to FAT32 (recommended for stability).

Open Awoo Installer or Tinfoil on your Switch and select Install over USB .