The Main Form is used for running, verifying, and improving your upgrade solution. It is also used for reporting and analysis of the source code, the generated code, and the other files that support your upgrade process.
The Migration Project Setup Form is used to add source files to your gmStudio project.
The Configuration Form is used to access and modify system, application, and project settings, user defaults, and top level project settings.
The Registration Form is used for sending and receiving gmStudio license requests.