You can use tools like the Swiss Army Knife (SAC) app to merge a base NSP file with its corresponding update files. Place your Nintendo keys in the app's bin folder. Select "Update NSP" and load the base game file.
A common modification allows for 60fps gameplay at 720p, though this typically requires overclocking the console. Dark Souls Remastered Switch NSP (RF) (UPDATE)
These tutorials provide step-by-step guidance on combining NSP files, updating custom firmware, and enhancing game performance: Nintendo Switch NSP Combination Install Tutorial YouTube · Retro Game Rarities You can use tools like the Swiss Army
Beyond basic updates, players often use mods to improve the Switch experience: A common modification allows for 60fps gameplay at
On standard retail systems, updates are typically handled automatically through the Nintendo Switch Settings menu under System > Software Update . Enhancing Performance
If you prefer not to merge files, you can install the base NSP first and then install the update NSP separately using installers like DBI or Tinfoil.