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Installation
How to properly install WinCC OA.
WinCC OA License Portal
The SIMATIC WinCC Open Architecture License Portal streamlines license management with a modern, user-friendly interface and advanced features, launching in October 2025. This documentation offers comprehensive guidance, support resources, and step-by-step instructions to help users and administrators efficiently manage licenses and access essential materials.

Installation
How to properly install WinCC OA.
- Hardware and software requirements for WinCC OA
  This section contains the current hardware and software requirements for various WinCC OA application scenarios. Recommendations are given for practical deployment of WinCC OA depending on the specific application and scale of the project.
- WinCC OA Licensing
  Overview of the licensing model used by WinCC OA
- WinCC OA License Portal
  The SIMATIC WinCC Open Architecture License Portal streamlines license management with a modern, user-friendly interface and advanced features, launching in October 2025. This documentation offers comprehensive guidance, support resources, and step-by-step instructions to help users and administrators efficiently manage licenses and access essential materials.
  - License Portal Interface
    The License Portal Interface provides centralized access to group- and license management functions. Its intuitive layout allows users to navigate between groups, projects, and related administrative features efficiently.
  - Essential Skills
    To work successfully with the WinCC OA License Portal, you should be familiar with several key processes that ensure efficient license management and organizational clarity.
  - Additional Information
    Explore additional explanations of license states, essential licensing terms, and recommendations to optimize your licensing experience.
- Installation under Windows
- Installation under Linux
- WinCC OA as service
- Terminal server, basics
- Virtual Environment Support
  WinCC OA is used in very diverse computing environments, some of which are easier managed with the use of a enterprise virtualization software. Due to the good encapsulation and platform independence of WinCC OA, the use on a wide range of current versions of the most common virtualization products is possible. Our extensive, automated tests are provided via Proxmox and VMware(vSphere).
- Error tolerance and stability
  Continuous improvements are made concerning the error tolerance and reliability. This page gives an overview and description of the changes. Additional information can be found in the further chapters of the documentation.
- WinCC OA Product Packaging
  Explains the file structure presented in the configuration bundles as well as some use cases with detailed descriptions
- Branding of the WinCC OA MSI Installation

WinCC OA License Portal

The SIMATIC WinCC Open Architecture License Portal streamlines license management with a modern, user-friendly interface and advanced features, launching in October 2025. This documentation offers comprehensive guidance, support resources, and step-by-step instructions to help users and administrators efficiently manage licenses and access essential materials.

Introduction to the SIMATIC WinCC Open Architecture License Portal

The SIMATIC WinCC Open Architecture License Portal was developed to modernize and simplify license management for users and administrators. This documentation provides comprehensive guidance on the features and use of the new License Portal, which will be available starting October 2025.

The License Portal offers an intuitive user interface and advanced functionalities that enable efficient management of licenses for SIMATIC WinCC Open Architecture products. Users benefit from optimized workflows, increased transparency, and helpful resources such as FAQs and instructional videos.

After registration, all license holders receive detailed instructions on how to access their accounts. The customer support teams of Siemens and ETM are also available to assist with getting started in the new portal.

Additional Material

In addition to the content provided within this documentation, a dedicated HUB for the WinCC OA License Portal can be found here.

This page will be updated with latest news, additional support material and access to dedicated "Ask the Expert" sessions as well as webinar recordings to assist in the transition to and getting started with the WinCC OA License Portal.

A description of the essential skills that are performed by users within the WinCC OA License Portal, see the chapter Essential Skills. The skill descriptions provide a step by step guide for the most essential tasks.

For additional videos that share more insight into the usage of the WinCC OA License Portal refer to the WinCC OA License Portal series within the Video chapter of this documentation.