You might wonder: If I have TIA Portal, do I need PST 4.2?

: If you are using Windows 7 or newer, ensure you are using at least V4.1 or V4.2, as earlier versions (like V3.2) were designed for Windows XP and may not run on modern operating systems. Key Functions & Features

Assign IP addresses, subnet masks, gateways, and PROFINET device names using PROFINET DCP (Discovery and Basic Configuration Protocol). Manual/Guide:

: A widely recommended, free tool for quick commissioning and diagnostics of PROFINET systems. SIMATIC Automation Tool

After installation, launch PST from the Start menu: .

The original is digitally signed by Siemens. Always verify the digital signature before installing.