If the .rar contains multiple files, install the Base Game first, followed by any Updates and then DLC.
Place the .nsp file on your SD card, then use your installer of choice to "Install from SDMC". 3. Verification FUSER-NSP-ROMSLAB.rar
You should find one or more .nsp files inside, which are the actual game or update packages. 2. Choose an Installation Method If the