http://web.mit.edu/6.891/www/tools.html

Lab1: Forces of evolution
Tools: Population genetics & evolution simulation - Populus java computer program, version 5.3

Download site and installation instructions at the University of Minnesota is located here. (.jar files available for PC, Mac, Linux-Unix)
Make sure you have checked for java compatibility according to the instructions on that page.
A PDF file of instructions for all modules is available here.
Check with us if you need to run the program on Athena workstations rather than your own computer.
Dataset for the last part of the assignment is available here.