TIA Portal V13 SP1 is a 32-bit software. Update 4 is the final service pack for V13 SP1. It requires a base installation of TIA Portal V13 SP1 before applying the update.
Siemens Industry Support – TIA Portal V13 SP1 Updates Tia Portal V13 Sp1 Update 4
Projects created or updated in this version use the .ap13 format and can be archived as .zap13 files. Version Lifecycle & Migration Important Note: TIA Portal V13 SP1 is a 32-bit software
For users requiring assistance with the update or facing challenges during the installation process, Siemens offers comprehensive support. This includes online resources, technical forums, and direct support channels. Read the update readme and change log from