If you have a Smart Line V3 panel, WinCC Flexible Smart V3 is your only choice. Do not try to use TIA Portal—it will not work.
If you cannot find it on SIOS, try the official Siemens Industry Mall. However, the support site is generally faster for registered users. Wincc Flexible Smart V3 Download
Right-click the downloaded executable (e.g., WinCC_flexible_SMART_V3_SP3.exe ) and select If you have a Smart Line V3 panel,
: Because this software is region-specific, it is officially supported through Siemens Chinese Support . However, the support site is generally faster for
Disclaimer: Siemens product names and logos are trademarks of Siemens AG. This guide is for educational purposes. Always comply with Siemens licensing terms.
Real-time antivirus (especially McAfee, Norton, or Avast) can interfere with Siemens installation services. Disable them only during the installation (and re-enable after).
Avoid third-party torrent sites or cracked software. Unauthorized versions often contain malware, lack critical updates, and violate Siemens licensing agreements. Always use official channels.