The free trial expired. Fix: Uninstall using Microsoft’s "msiinv" tool to remove all Siemens registry keys, then reinstall. Or switch to the VM snapshot method.
For those looking to learn TIA Portal today, it is highly recommended to use the latest versions, which offer trial downloads and better compatibility. SIMATIC STEP 7 (TIA Portal) V11 SP2 TRIAL Download - ID tia portal v11 sp2 trial version free
The trial period usually begins immediately after installation or upon first adding a device to a project. How to Access Legacy Software (V11) The free trial expired
Siemens has retired V11 from its main download page, but the files remain on their support servers. Follow this legal method: tia portal v11 sp2 trial version free
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