I was so happy today that I have been finally able to install Windows Phone 8 SDK and try it a bit. I installed fresh new installation of Windows 8 Pro into my virtual machi
Not enough rep. to comment on the accepted answer, but Microsoft provide instructions specifically for Fusion here. It worked for me, after a couple of reboots of both Mac and VM. I installed W8.1 without Hyper-V support initially and had to install it after the fact ("Turn Windows Features On or Off" in Control Panel), but apart from that no problems. Quite speedy on a 16Gb 2013 MBP.