All you need to do is fill out the survey(link provided below) so we can keep a mailing list of users for news, future bug fixes and updates.The zip file contains the GC MOSCED object code ,groups text file which the app requires and MOSCEDcad object code and MOCSED data text file.To get started refer to the Readme textfile in the folder with the instructions.The app is written in c++ and the link for c++ compiler is provided in the link below as well.