In V1.2, MT card supports animal crossing, pokemon XY. This update program is to update the FPGA chip and CPU data, no need to use another launcher.dat, same V.1.1 launcher.dat in the SD card. Download the USB V1.2: http://www.3dsinfo.com/show.php?id=30 While updating, the computer will automatically install the driver twice. If the driver has not been installed, you can open the computer device manager, check other device, click unknown device, right click the “Update Driver”, wait till installation finished. Since computer system comes with driver, no need to provide driver. Please check the downloaded package for the instruction. We are testing the Launcher.dat of V1.2, will release V1.2 Launcher.dat in a few days.