DBI is generally considered the most reliable and efficient tool for installing NSP updates, including the base game and updates. 1. Connect and Open DBI Connect your Nintendo Switch to your PC via a USB cable. Launch the app from your Homebrew Menu on the Switch. 2. Select Install Method In DBI, choose the option "Run MTP responder" . Your Switch will now appear as a drive on your PC. 3. Transfer and Install On your PC, open the Switch drive.