Release notes for version 2.5.1 on December 3, 2012
As of this version, FlowHeater will now run under Windows 8* and Windows 2012 Server. Prerequisite for operation under Windows 8 or Windows 2012 Server is a preinstalled .NET Framework 2.0 or 3.5.
*) not under Windows 8 RT, in addition an x86 (32 bit) or x64 (64 bit) processor is required.