The filename you provided refers to a in NSP format, typically used for updating the game manually. Quick Guide to Installing the Update

For more detailed menu translations, the community at Reddit's r/MLBPowerPros often provides comprehensive English guides and spreadsheets for recent Japanese releases.

Transfer the file to your microSD card or use a tool for USB/Network installation. : Use an installer like DBI or Tinfoil.

: Single-player pro career simulation.

Select the .nsp file and install it. This will patch your base game to version , which includes the latest roster updates and bug fixes for the 2022-2023 season.

: Ensure your Switch is running a custom firmware (CFW) environment like Atmosphère . File Transfer : Extract the .nsp file from the .zip archive.

: Launch the game and check the bottom corner of the title screen to ensure it reflects the new version number. Navigating the Japanese Menus