As of 2025, the latest stable release available for download is typically WinAC RTX 2010 Update 7 (or later service packs). Always check the release date and "Compatibility List" on the Siemens support page.
Ensure you are downloading WinAC RTX 2010 SP3 for the best compatibility with modern legacy systems.
For a comprehensive understanding of the system, refer to these core manuals provided by Siemens:
Before installing, ensure your hardware and OS are compatible: Operating System:
Choose the components you require (the WinAC Controller, IntervalZero RTX subsystem, and communication drivers).
Hardware: Ideally, use Siemens SIMATIC Industrial PCs (IPCs) to ensure driver compatibility for the NVRAM (Non-Volatile RAM) which handles data persistence during power failure.
Given the limitations of WinAC RTX, Siemens has provided a clear and powerful modern path forward for PC-based automation. If you are starting a new project or planning to upgrade an existing one, the is the official successor.
Offers cycle times down to the sub-millisecond range, ideal for high-speed motion control and packaging loops.
不过，对于已有正版授权但遗失了安装介质的用户，西门子官方依然提供获取渠道。您可以遵循以下正规流程：
If you are looking for a , you should be aware that Siemens officially discontinued active marketing for this product on October 1, 2020 . While it is no longer the primary focus for new industrial setups, it remains a critical piece of software for many existing PC-based automation systems.
Do you need to download a specific to fix an issue on an existing machine? Are you setting up a brand-new control system from scratch?
Before installing the "newest" available version of WinAC RTX, verify your environment:
This usually points to a BIOS conflict. Re-enter your PC BIOS and disable Intel SpeedStep, Hyper-Threading (if using single-core assignment), and all advanced power-saving states.
: Your first and most reliable source should be the official Siemens website. Siemens provides product information, datasheets, and software downloads through its website.
: The downloads do not include licenses; a valid license key on a USB stick is required to run the software. Key Technical Specifications
The setup typically installs IntervalZero RTX first, which provides the hard real-time capability.