Just gotta say that running Windows OSes on a Mac in VMs .. rocks!
I have clients on Windows and Mac. Been using VMware Fusion for years to run multiple OSes at once and switch between them as needed.
The best part, though, is being able to run old software! I have a copy of #AutoCAD 2004 (from when I worked at #Autodesk 20+ years ago), that runs great in my Win7 VM. I'm also able to run #FrameMaker 12 (2014) .. pre-subscription.