This is where many users run into trouble. CIMPLICITY 8.1 was released around the Windows XP / Windows Server 2003 era.
CIMPLICITY 8.1 is a workhorse SCADA system. It is not as "flashy" as modern HTML5-based interfaces, but it offers unparalleled reliability for process control. If you are maintaining a system on 8.1: cimplicity 8.1
Windows 7, Windows Vista SP1, Windows XP, Windows Server 2008 (32-bit), and Windows Server 2003. This is where many users run into trouble
: Often has listings for 8.1 with Historian 4.0 and associated license dongles. Windows Vista SP1