Simply load the update via the emulator’s "Install Update to NAND" function. The performance boost is even more pronounced on PC, allowing 4K resolution and 60 FPS rendering.
To save space or simplify your library, tools like Switch Army Knife (SAK) allow you to "patch" the update directly into the base NSP file before installing. In-Game "Upgrade" Guide ben 10 power trip switch nsp update exclusive