Select the newly loaded post in your dialog before hitting "Process" to generate your NC code.
The file is a Roshal Archive . Because these often contain machine-specific code (post-processors) for CNC machines, they are usually provided directly by: Download DSSDCD3 rar
Direct downloads for specific compressed archives like are generally not available through general search as they often contain proprietary configurations for CAM (Computer-Aided Manufacturing) software, such as GibbsCAM post-processors. Select the newly loaded post in your dialog
To "produce a post" (generate G-code), you must load these extracted files into your CAM environment: Download DSSDCD3 rar