We need to install the "eclipse constraint logic programming language" needed in my CSCI 440. 

See http://eclipseclp.org/Distribution/6.1_216/x86_64_nt/Readme.txt

about the installation information on various platforms.

In short:

For 64-bit Windows platform, download and run the latest distribution installer available at 

http://eclipseclp.org/Distribution/6.1_216/x86_64_nt/ECLiPSe_6.1_216_x86_64_nt.exe

For 32-bit Windows platform, download and run the latest distribution installer available at 

http://eclipseclp.org/Distribution/6.1_216/i386_nt/ECLiPSe_6.1_216_i386_nt.exe