* Download and install [VirtualBox][vbox] for your operating system. * Download the [3110 virtual machine][3110vm]. It's a big file and will take some time to download. * Import the virtual machine: * Run VirtualBox. * Select File → Import Appliance * Select Open Appliance, and choose the `.ova` file you just downloaded. Then click continue and then click Import. This step might take a few minutes. * Run the virtual machine: * Select cs3110-VM from the list of machines in VirtualBox. * Click Start. [vbox]: https://www.virtualbox.org/wiki/Downloads [3110vm]: https://cornell.box.com/cs3110vm-2015fa