This document provides instructions for installing Cuckoo 0.4.1 on Mac OS X Snow Leopard to analyze malware in a virtual machine environment. It describes installing dependencies like pip, dpkt, and VirtualBox. It also explains how to set up a Windows virtual machine, edit the Cuckoo configuration file to point to the VM, run Cuckoo's agent in the VM, take snapshots of the VM for analysis, and run an example to analyze a sample file.