To download (formerly Unity Pro), you can access the official installation files directly through the Schneider Electric Download Center. Download and Installation Steps

Uninstall older versions (Unity Pro, Control Expert 14.x, or EcoStruxure Control Expert) via Windows Settings > Apps. Then reboot and reinstall 15.1. Version 15.1 can coexist with very old versions (v13 or earlier), but not with v14.

Control Expert 15.1 is not compatible with Windows 7 or Windows 8. If you are on legacy OS, you need version 14.0 or lower.

Released as an evolution of version 15.0 SP1, version 15.1 introduced several enhancements focused on cybersecurity and engineering efficiency:

Version 15.1 specifically marks a milestone in the software’s evolution, shifting from 32-bit to . This change allows the software to handle larger projects, compile faster, and manage memory more efficiently than its predecessors (Unity Pro or Control Expert 14.x).

: Before updating, export current projects from .STU format to the archive .STA format to prevent data loss.