VMware Fusion, one of the leading virtualization solutions on the Mac, has received an update that allows it to install older versions of Mac OS X in a virtual machine. Many users will find the. VMware Fusion lets you run macOS, Windows, Linux and other x86-based operating systems as virtual machines. Nearly all programs that run on these operating systems will run with VMware Fusion. Programs can range from common productivity suites (such as Microsoft Office) to graphics-intensive programs such as AutoCAD or SolidWorks which require.