If you are planning to move to Windows 10, Siemens recommends transitioning to TIA Portal V13 SP2 , as SP1 does not officially support that OS. For those maintaining older machines on supported operating systems, Update 4 remains the peak of stability for the V13 SP1 lifecycle.
Free up at least on your system drive (3 GB is utilized temporarily for unpacking deployment archives). Deployment Sequence
Screenshot: before/after project tree load times or a short GIF of program compile/startup sequence showing smoother progression. siemens tia portal v13 sp1 update 4 better
Fail-safe blocks (F-blocks) previously marked as "unsupported" are automatically supported after upgrading to this version. Tag Usage:
For engineers utilizing , Update 4 acts as an essential patch. It fixes critical multi-instance tag mapping bugs within Ladder (LAD) and Function Block Diagram (FBD) safety programs. TIA Portal V16 System Requirements | PDF - Scribd If you are planning to move to Windows
: Users report significantly reduced lag times and a more responsive interface compared to V13.0. Safety Programming Fixes
: Users noted a "much smoother" experience with reduced lag times when handling large projects compared to earlier V13 iterations. : Update 4 was the first public update for TIA Portal Openness , as Updates 1–3 were reserved for internal system use. System Requirements & Compatibility Requirement Specification Operating System It fixes critical multi-instance tag mapping bugs within
Lower CPU and RAM utilization means field programming laptops consume less power, a critical benefit when working in remote panels without easy access to power outlets. 3. Ideal Compatibility with Legacy Hardware