C2020 is the main program of Luchang Special Edition, which can also be used on other machines. This version of the main program has high compatibility and is adopted by most DIY oils.

TOC refers to the version number of Khalid map, arranged in alphabetical order. The latest version is J0H, where J is the official version and T is the beta version. If you want to update, you only need to find the J0H version of the map and update the main program of c2020.