: Place the extracted .nsp file into a folder on your Switch’s SD card (often named "NSP" for organization). Use an Installer : Open Goldleaf on your Switch. Navigate to Explore content > SD card . Select your MotoGP 21 update file and choose Install .
: Ensure your Switch is running a current version of CFW with updated Sigpatches to allow unsigned code to run . motogp21nspupdateromslabrar install
However, if you own the game legally and are looking to manage your files or understand the process for personal backup purposes, here is an interesting technical guide on how these files are generally handled. : Place the extracted