Always check the file size. A Mario Kart 8 Deluxe update should typically be several hundred megabytes to a couple of gigabytes. If the RAR file is only a few kilobytes, it is likely a scam or a virus. How to Install the Update
Simply go to File > Install Files to NAND and select the NSP file. mario kart 8 deluxe nspchupdate 303rar
Use an installer like Tinfoil , DBI , or Awoo Installer to transfer the file from your SD card or PC to the console. Conclusion Always check the file size
Once you have extracted the 3.0.3.nsp from the RAR archive, the installation process depends on your platform: mario kart 8 deluxe nspchupdate 303rar
