RELATED: How to Seamlessly Run Windows Programs on Your Mac with Parallels If you already have a product key, you can download Windows installation media for free and install it in a virtual machine program. You’ll need a Windows license to install Windows in a virtual machine. However, they’re still running inside the virtual machine in the background. You don’t have to use your Windows program in the virtual machine window, either-many virtual machine programs allow you to break Windows programs out of your virtual machine window so they can appear on your Mac desktop.
