Only for valid license holders with expired support contracts A verified, copy is now available via Siemens’ legacy archive. Contact your distributor for access.
If your download is "broken," try these steps before looking for a new file: Tia Portal V12 Sp1 Download Fixed
After download, compare the hash. A fixed file for TIA Portal V12 SP1 DVD1 should have: A fixed file for TIA Portal V12 SP1
Siemens continually evolves its download policies. If the official links for V12 SP1 become permanently removed, consider using a VM snapshot (VMware or Hyper-V) with a frozen Windows 10 LTSC 2019 environment to preserve your working installation indefinitely. compare the hash.
If the installer hangs at "2 minutes remaining," some users report that killing the process via Task Manager actually allows the installation to complete successfully.