The Update file patches the game to the latest version (v1.0.2 is standard for Ultimate).
Warriors Orochi 4 Ultimate for the Nintendo Switch includes the base game along with the , expanding the roster to 170 playable characters and adding new storyline chapters. Key Game Versions and Files Warriors Orochi 4 Ultimate Switch NSP UPDATE DLC
If you are jumping into Warriors Orochi 4 Ultimate for the first time, here is what the Update/DLC unlocks compared to the standard Warriors Orochi 4 : The Update file patches the game to the latest version (v1