To help narrow down the exact technical steps or files you need, could you tell me:
For users running custom firmware (like Atmosphere) on their Switch or emulators on PC (such as Ryujinx or Yuzu), game updates are typically distributed as files (Nintendo Submission Package). These are essentially update files that you can install manually. mario kart 8 deluxe update nsp better
If you have the game files and want to create the optimized feature yourself: To help narrow down the exact technical steps
This guide explores the essential updates you need, the best mods to improve the game, and how to get them running. and how to get them running.