To download SIMATIC WinCC Open Architecture (OA) 3.18, you typically need an active account and valid maintenance contract via the Siemens Digital Industries Software portal or the WinCC OA Partner Portal. Official Download Access
: A new icon theme and "Connector Points" function (similar to PowerPoint) have been added to the Graphical Editor (GEDI), allowing objects to stay connected with automatic pathfinding when moved. Expanded Connectivity : New drivers support Omron FINS-compliant PLCs and SINUMERIK powerline devices. Docker Support wincc oa 3.18 download
Select Version 3.18: Locate the major release for 3.18. If you have an active Software Update Service (SUS) or Software Maintenance Service (SMS), you will be authorized to download this version. To download SIMATIC WinCC Open Architecture (OA) 3
: Used for up-to-date product information and critical security updates. Recent patches for 3.18, such as (released January 2026), are available here. Software Update Service (SUS) No license = Demo mode (2-hour runtime limit,
Video Guides: The WinCC OA YouTube Channel offers tutorials on runtime configuration and UI environment security. Patch P024 for WinCC OA V3.18 - ID: 109954212 - Support
To download WinCC OA 3.18, follow these steps: