This file is only an update (Update 1.0.3). It will not work unless you already have the base Digimon Survive game installed on your system.
If you are using an emulator like Ryujinx or Suyu , you can typically install the update by going to File > Install File to NAND and selecting the .nsp file. DIGISURV-(USA)-NSwTcH-NSP-Update103-Ziperto.rar
Since the file ends in .rar , you first need to extract the contents using a tool like or WinRAR . Right-click the file and select "Extract Here" . This file is only an update (Update 1
Are you installing this on a or an emulator ? DIGISURV-(USA)-NSwTcH-NSP-Update103-Ziperto.rar