They are mostly cd images of functional programs. To the best of my knowledge, they only work on Windows platform. There might be ways to run it on a Mac, but I unfortunately cannot help. This specific torrent includes the following: Gray's Anatomy 38th Ed Hirsh & Kramer Neuroanatomy 3d Steroscopic Atlas Anatomy of nerves and muscles Functional neuroanatomy Sylvius 2.0 neuroanatomy Atlas of the human brain 2nd ed Junqueira and Carneiro Basic Histology 10th ed Carpenter Neurophysiology 4th ed Cerefy Brain Atlas Human Anatomy Cardiovascular Ed Mastering MRI The Central Nervous System Tortora principles of anatomy and physiology 9th ed (student) Welch Allyn Interactive Guide to Eye Ear Nose and Throat Best way to use these programs is to mount them on a virtual drive. The software I use is below: magicdisc, but I'm sure there are many others that work as well. Buy a Premium Account *** Filesonic.com to download file with fast speed