http://www.goodtechtips.com/m3i-zero-skin-download/Download corresponding M3i/M3L skin file and copy it to the \ \ M3iMenu \ skin folder under the root directory of the TF card after being decompressed. Then start PC and enter the M3i/M3L main menu and in turn “Setting”, there is a skin setting option, click it to enter the Skin Setting. There are a number of skins at option, click the touch screen to select the one you like and your pc will switch to the corresponding interface. Click the “Back” button at the right lower corner on the screen and return to the upper level of menu.