: You must find and install the specific Update NSP file using the same homebrew installer method mentioned above.
: Ensure your Coromon.nsp file is on the root of your SD card, ideally in a folder named NSP .
: From the Switch HOME Menu, select the Nintendo eShop icon (the orange shopping bag).
: Once the transaction is complete, the game will automatically begin downloading to your HOME Menu. Method 2: Installing an NSP File (Homebrew)