Are you trying to specific gameplay features within the update, or just looking for the best tool to install it? Nintendo Switch NSP Combination Install Tutorial

: Use NS USB Loader to send the files from your PC to the Switch via a USB cable. 3. Official Update Methods

: Highlight the Vampyr icon on the Home Menu, press the + or - button, and select Software Update > Via the Internet [ Nintendo Support ].

: Ensure you have your Nintendo production keys in the tool's bin folder.

To "develop a feature" or successfully manage updates for on the Nintendo Switch using NSP files, you generally need to handle the integration of the base game and its update data. 1. Merging Update with Base NSP

If you are looking to combine the base game and the update into a single file for easier installation, you can use tools like (Switch Army Knife).

: Select "Update NSP," choose your Vampyr base NSP, and then select the update NSP file. The tool will generate a combined file in its output folder. 2. Manual Installation