A3: Follow procedures below:
1. Download driver and application software from official web site(www.r4i-sdhc.com).
2. Install driver：dotNetFx40_Full_setup.exe, vcredist_x86.exe
3. Plug the game cart into SaveDongle，Connect SaveDongle to PC USB port.
4.Execute “R4i 3DS SaveDongle v1.0.exe”.
5 .Now you can choose to backup or restore the games saver.