The PCDMIS offline version offers several benefits to users, including:

For sites with air-gapped computers (no internet), Hexagon provides:

PC-DMIS Offline is the dedicated programming and simulation version of Hexagon’s universal metrology software. It allows quality engineers to create and debug measurement routines in a virtual environment without occupying expensive CMM (Coordinate Measuring Machine) hardware Download and Official Access

If you see a website offering a direct download link without requiring a serial number or license key, assume it is a trap.