Installing the latest version of TelWin SCADA® 6.09.0 requires reinstallation of the TelWin WebInterface subsystem.
Particular attention should be paid to the subsystem-specific application pool in IIS, which must point to the .NET Framework v4.5.2 or newer.
The TelWin SCADA Eng system installers are exclusively English GUI. After installing the system, the documentation is available in the form of CHM and PDF files in Polish. The WebInterface Eng subsystem installer has an English GUI, all messages generated in the subsystem are translated into English.