WinCC flexible relies heavily on SQL Server. If the install fails, search your installed programs for "Microsoft SQL Server" and manually uninstall the instances related to WinCC before trying to run the installer again.
Many newcomers ask: “Should I use WinCC Flexible Smart V3 or switch to TIA Portal?”
| Feature | WinCC Flexible Smart V3 | TIA Portal WinCC (Basic/Comfort) | | :--- | :--- | :--- | | Supported Panels | SMART Line V3 only | All other Siemens HMIs (Basic, Comfort, Mobile) | | Programming Language | VBScript, C-like scripts | Structured text, graphical, VB (legacy) | | Modern UI | Older, classic design | Modern ribbon interface | | Licensing Cost | Free (engineering) | Paid (expensive) | | Learning Curve | Easy | Steep | Wincc Flexible Smart V3 Download
Verdict: Use WinCC Flexible Smart V3 only if you own SMART Line V3 panels. For all other HMIs, use TIA Portal.
The small OSD tool is the download manager. WinCC flexible relies heavily on SQL Server
Before installing, ensure your PC meets the requirements:
Installing WinCC Flexible on modern Windows 10/11 systems can be tricky. Keep these points in mind: The small OSD tool is the download manager
A: Officially, no. Unofficially, some engineers run it in Windows 11 with compatibility mode (Windows 8). Expect random crashes.
Solution:
Siemens does not distribute this software on the global "Industry Support" (SIOS) website in the same way as TIA Portal. Instead, the official source is the Siemens Industry Online Support China or authorized Siemens distributors.
