Unlike standard retail games, Pokémon HOME on Switch is a with premium paid tiers. Consequently, its updates are distributed as NSP (Nintendo Submission Package) files – the same format used for game updates, DLC, and system software.
This guide is for educational purposes only. Downloading and installing NSP files of a free-to-start application like Pokémon Home still violates Nintendo's Terms of Service. Proceed at your own risk. Pokemon Home Switch NSP UPDATE