A powerful simulation tool that allows you to test your logic on a "virtual PLC" before deploying to physical hardware.
There is no public, free, "standalone" download for the full Siemens Tool Suite. Siemens uses strict license management (Siemens PLM License Server). Unauthorized downloads from torrent sites or file-sharing blogs almost always contain malware, ransomware, or keyloggers. Siemens Tool Suite Software 2021 Download