After inserting the corresponding game cartridge into the console, press and hold the volume up and down buttons simultaneously to enter USB connection state

Connect the console to the computer with a data cable.

In My Computer, open the game cartridge disk, and delete all the data on the game cartridge.

Unzip the downloaded game cartridge data package, copy all the files in the folder to the root directory of the game cartridge disk.

After unplugging the console, restart it, and the game data will reload.