So, what is the ? It is the Siemens Industry Online Support (SIOS) or the Siemens Service & Support Portal . Here is the legitimate path:
If you are designing a new factory line, buy the V18 license (which includes downgrade rights to V13). However, if you are maintaining a live production line commissioned in 2015, or you are a student studying classic S7-300 programs, then TIA Portal V13 SP1 Professional is essential. tia portal v13 sp1 professional better download
The dark blue "Siemens" theme is in full effect here. Compared to V10.5 or V11, V13 SP1’s UI is organized and professional. So, what is the