| Pros | Cons | |------|------| | Stable, well-patched for known bugs | Missing features from versions 10+ (e.g., advanced OPC UA, modern UI) | | Runs on Windows 10 (LTSC recommended) | No support for Windows 11 or ARM-based PCs | | Compatible with older PACSystems CPUs | Requires a legacy support contract if you need technical help | | Many existing projects still use this version | Security patches for 9.5 have likely ended |

You cannot legally download Proficy Machine Edition 9.5 as a "free" or "new" trial without proper channels.

: Provides a single platform to develop PLC logic, HMI screens (Proficy View), and motion control applications. Broad Hardware Support