Parallels and VMWare Fusion both offer free trials, so you can try all these programs and decide which is best for you. You can also use the completely free and open-source VirtualBox for Mac, but its 3D graphics support and Mac operating system integration aren’t as good. Each of these is a paid program, so you’ll have to buy both a Windows license and a copy of your virtual machine program of choice. Popular virtual machine programs for Mac include Parallels and VMware Fusion. 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.

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