Double click on the Expander.bat file, which is located under the Expander directory (alternatively, in Linux, open a Terminal window, cd into the Expander directory, and run the command: ‘./Expander.bat’).
When running on Linux/Unix OS, make sure that you have rwx permissions for the Expander directory and for the directory in which your data is located. Also make sure that you have rx permissions for all *.exe files that are under your Expander directory.
Upon running the program, the main menu bar appears: