Although I can't speak for Windows 10, in general it is best to upgrade to the newest MS OS because although older versions of Windows get security upgrades, th

Although I can't speak for Windows 10, in general it is best to upgrade to the newest MS OS because although older versions of Windows get security upgrades, the newest version generally has newer security features that the older versions do not have, some of it taking advantage of newer Intel hardware. I currently run Mac with Windows 10 in Parallels VM.