As of 2026, by Siemens. However, you can still obtain the software through legitimate channels:
Registered users can submit a "Support Request" on the Siemens Industry Online Support (SIOS) portal to request download media. Tia Portal V12 Sp1 Download Fixed
If you have an active SUS contract, these older versions may still be accessible via your Siemens account . Core System Requirements As of 2026, by Siemens
The transition to was more than a standard update; it provided essential bug fixes for the SCL (Structured Control Language) editor and improved online monitoring accuracy. As of 2026