Which are you planning to program with this version?
You cannot download this version from the public Siemens website without credentials. tia portal v12 sp2 download
Opening older project files without the need for complex version migration. Which are you planning to program with this version
Search for "Service Pack 2 for TIA Portal V12" on the SIOS website. You will need a registered Siemens account to download. tia portal v12 sp2 download
V12 SP2 is compatible with modern Windows. Installing it on Windows 10/11 without modification will fail.
Instead, do this:
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