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You have the software installed, but it is a trial. Without a valid license, the HMI will run in "Demo Mode" (screen flashes every 10 minutes) and you cannot transfer projects to a physical panel.

For engineers and technicians looking to program Siemens Smart Panels (like the Basic Panels 2nd Generation), finding the correct is the first—and often the most confusing—step. This article provides a definitive guide to obtaining, installing, configuring, and troubleshooting this essential engineering software. Simatic Wincc Flexible Smart V3 Sp2 Download