You are trying to install WorkFlow or ServiceDesk/WorkFlow. It fails the requirements check.
WCF Requirement ..... Failed[WCF is not installed or registered in IIS. Please check .Net Framework features and ensure that WCF support is installed. If you are experiencing problems with service activation, you probably need to run: %WINDIR%\Microsoft.Net\Framework\v3.0\Windows Communication Foundation\ServiceModelReg.exe /i /x in order to register WCF or check that .svc scriptmap of selected website exists.]
Windows Server 2012 or Windows Server 2016
IT Management Suite 8.5 and 8.5 RU1
Using Server Manager, we installed the following WCF Services: