Provide it with the URL of your web application and the properties of the Window in which the web browser will be embedded. Save the WinWebApp to a file by clicking the Save... button. You can now launch your web application directly from Windows through the saved WinWebApp file. WinWebApp will read the saved file and load the URL in the embedded Web Browser. You can redistribute the saved WinWebApp file and it can run on the machines where WinWebApp is installed.