...
PCRaster 4.1 can be downloaded from: http://pcraster.geo.uu.nl/. The pcraster installation should be put in the $REGION_HOME$/modulesModules/pcraster directory of FEWS. Only the lib directory is required for FEWS to run pcraster.
...
For Windows the $REGION_HOME$/modulesModules/pcraster/lib directory should contain the following files:
...