: Update 4 includes all fixes from Updates 1, 2, and 3. It must be installed on top of an existing TIA Portal V13 SP1 installation. Important Notes for Users (USER FEEDBACK) TIA Portal V13 SP1 Update 4 - Support
User feedback at the time of release (2015-2016) frequently described the V13 SP1 Update 4 as a mature version that reduced unexpected software closures, particularly during large project compilations or when working with numerous HMI screens. It stabilized the development environment, making it more robust for daily engineering tasks. 2. Enhanced Performance and Responsiveness : Update 4 includes all fixes from Updates 1, 2, and 3
: If you specifically need V13 SP1, it is generally better to install the latest available update (e.g., Update 9) rather than specifically seeking out Update 4, as newer updates contain all previous fixes. Trial & Official Downloads It stabilized the development environment, making it more
Always download updates from the official Siemens Industry Online Support (SIOS) website . Conclusion Trial & Official Downloads Always download updates from
: Users reported a notable "step forward" in design, though it still relies heavily on the first CPU thread during operation.