Siemens TIA Portal V13 SP1 Update 4 was one of the later maintenance updates for the V13 generation of the Totally Integrated Automation (TIA) Portal. By 2021, many users had moved to newer TIA Portal releases (V14, V15, V16, V17), but some installations — constrained by legacy hardware, certified projects, or corporate lifecycle policies — continued using V13 SP1. This post reviews what Update 4 delivered, how it compared to later releases, practical benefits in 2021, limitations, and recommendations for engineers maintaining or migrating projects.
Projects from V13 (without SP) cannot be directly upgraded to V17+. You must first upgrade them to at least V13 SP1 or SP2 Save in V13 SP1/SP2: siemens tia portal v13 sp1 update 4 better 2021
By 2021, V13 SP1 became essential for its role as a "stepping stone" in migration workflows. Upgrading Legacy Projects Siemens TIA Portal V13 SP1 Update 4 — Is It Better in 2021
Officially, Siemens discontinued V13 support in 2019. However, in 2021, you could still obtain Update 4 via: Windows 7 (still present in industrial PCs in