To install files from the internet, you need JKSV. This homebrew application dumps your saves to your SD card and injects foreign saves into your console.
Nintendo aggressively bans consoles that run Homebrew (required for these downloads). If you value your online play and eShop access, do not download third-party saves on your main console. Use a secondary, offline-only device. nintendo switch game saves download high quality
While backing up your own game saves is essential, you might also want to download high-quality game saves from other players. This can be useful if you've lost your progress or want to skip ahead in a game. However, be aware that downloading game saves from unknown sources can pose risks, such as: To install files from the internet, you need JKSV