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The download is often split into multiple parts (ISO or split files). You should download: STEP 7 Basic/Professional & WinCC Professional: The main engineering core. SIMATIC S7-PLCSIM V15.1: Required for simulating PLC code without physical hardware. Organization: Download all parts of a single package into the same folder before execution. 3. System Requirements how to download tia portal v15
You must download all parts of a package into the same folder before running the .exe to extract them. 4. System Requirements Check Click on “Download” in the filter panel