was the 64-bit iteration (specifically for Windows 7/8/Vista 64-bit architectures) distributed via a single ISO disc image. The "WIN64" designation is crucial. In 2011-2012, the industry was shifting away from 32-bit memory limitations (max 4GB RAM). The 64-bit version allowed engineers to load massive electrical schematics—sometimes comprising hundreds of ladder diagrams and component libraries—without crashing.

Instead of manually drawing PLC racks, you can import data directly from the PLC programmer. It ensures your electrical drawings match the logic of the automation controller.