A virtual machine is actually a file that will run on software designed to mimic operating systems such as Windows and ChromeOS. It allows the user to borrow resources such as memory, hard drive space, and processors from their host machine in order to virtually create a Windows or Chrome environment. It is important to have a fast processor, lots of memory and hard drive space. The virtual machine option will allow you to create projects from SIMnet on your Mac by installing a Windows operating system. Some of the following options for using virtualization include: