We're sorry but Megastat is not a product that we currently support. If you need assistance, you will need to contact the publisher which is McGraw-Hill. The link to their Megastat website is below:
http://highered.mheducation.com/sites/0077425995/information_center_view0/index.htmlTheir Support site is here:
https://mhedu.force.com/CXG/s/ContactUs