Gt-Designer2 software is Mitsubishi’s old HMI design software. The touch screen lines HMI Mitsubishi applies to GT Designer 2 are: F900, A900, and GOT1000. GT-Designer2 software has been released for a long time, so it can only be installed on 32bits operating systems. If you are using 64bits operating system, please download the GT-Works3 software and install GT-Desiner2 Classic integrated in GT-Works3 https://www.tokopedia.com/rorodesign/software-hmi-mitsubishi-melsoft-gt-works3