1, Download GX Developer 8.86 2, enter the registry, delete HKEY_CURRENT_USER\Software\MITSUBISHI HKEY_LOCAL_MACHINE\SOFTWARE\MITSUBISHI 3, the installation package should be located in the D disk, unpack the file to the "886" folder 4, close all antivirus software, firewall these two software will affect the installation process of reading and writing files, first shut down the best 5, … Continue reading how to install gx developer