Maintenance of legacy systems and migration "stepping stone". Excellent; much more responsive than early V13 releases. OS Support Requires Windows 7 or the SP2 update for Windows 10. License V13 licenses often work across SP1 and SP2 variants.
V13 SP2 natively supports Windows 10, whereas SP1 Update 4 often crashes or fails to install properly on modern OS versions. Stability & Performance: siemens tia portal v13 sp1 update 4 better 2021
TIA Portal V21 Updates - ID: 109989775 - Siemens Support Portal Maintenance of legacy systems and migration "stepping stone"
: A license for a newer version (e.g., V17 or V19) is typically "backward compatible," allowing you to run V13 SP1 on the same machine without purchasing a separate legacy license. Conclusion License V13 licenses often work across SP1 and SP2 variants
Using V13 SP1 U4 in 2021 is like running Windows 7 in 2021 – possible, but unsupported for new hardware and missing critical improvements.
For any new development or modernization project in 2021, V13 SP1 Update 4 was objectively inferior to newer versions.