Built with "Security by Design" principles, featuring native support for IEC 62443 standards, stricter certificate handling, and secure communication protocols.
To access software downloads, patches, and updates, you must hold a registered account with corporate verification.
Before downloading, ensure your system meets the necessary requirements. WinCC OA 3.18 is a , supporting:
Step 1: Register on the Siemens Industry Online Support (SIOS) Portal
: Log into the Siemens License Management system to download your existing .wcl or hardware dongle license updates.
: Version 3.18 introduces support for Docker containers, facilitating easier deployment in virtualized environments. The "Download" Experience & Access
Key improvements include:
is Siemens' premium SCADA system, engineered specifically for large-scale, high-complexity, and mission-critical automation projects in industries such as energy, transportation, water management, and building automation. Its open and modular architecture provides unparalleled flexibility for custom solutions. The Version 3.18 release marked a significant evolution in the platform, introducing enhanced security, improved data visualization, and a streamlined user experience.
: Red Hat Enterprise Linux (RHEL) 8, Rocky Linux 8, or CentOS Stream 8. Hardware Prerequisites
To download WinCC OA 3.18, you must access the or the WinCC OA Community Portal . Note that Siemens does not provide direct, public download links for the full installation files without a valid login or support contract. Key Download Details
: Starting with 3.18, documentation is available online in English and German, removing the need to download the full software package just to read manuals. 3. Compatibility & Requirements
For upgrading from an older version:
: Enhanced database support now includes PostgreSQL and Microsoft SQL Server , alongside existing InfluxDB support.
