SIMATIC WinCC Webnavigator for RT Professional up to V13 50 clients Option for WinCC (TIA Portal) License Key Download, single license for 1 installation R-SW, without SW and documentation, Class A * Email address of the recipient required for delivery WinCC WebNavigator offers consistent operation and monitoring of systems via the Internet/Intranet, without any changes to the WinCC project being necessary. Scalable number of clients.