Welcome to the SimGrid project! Up-to-date documentation about installation and how to use SimGrid is available online at http://simgrid.gforge.inria.fr/ and the documentation for the version you downloaded is available in the doc/ directory. Check doc/index.html for more information. In case of trouble, you can additionnally try to have a look to our user mailing-list ( http://lists.gforge.inria.fr/mailman/listinfo/simgrid-user ) or post us a mail. Thanks to have downloaded our software, Cheers, Da SimGrid Team.