To use this file on a Nintendo Switch, your console must have custom firmware (CFW). There are two primary ways to install it: Connect your Switch's microSD card to your computer.

Are you planning to install this on a or are you using an emulator like Ryujinx or Yuzu?

Installing "backup" files (NSPs) while connected to Nintendo's official servers can lead to a permanent console ban from online services. It is highly recommended to use incognito mode or 90DNS to block Nintendo's servers while using CFW.

On your PC, the Switch will appear as a drive. Open the drive and find the or "NAND Install" folder.