Its very easy in windows.
download the drivers http://www.enterpoint.co.uk/cairnsmore/cairnsmore1_support_materials.html

install drivers (for me it was 8 devices in device manager that need the drivers)
download and run bitminter
search for the fpgas
click go
mine only hashes at 2x380Mhps but idont want to flash it for fear of breaking it. 760Mhps is better than 0.