To learn how to install Windows on your Mac, see Install Windows from an Installation Disc. Parallels is currently working to fix this issue. Note: Windows with 2 CPUs or more may perform unstably. A Windows 8 Professional (64-bit) or Windows Server 2012 (64-bit) virtual machine with 1 CPU and 2 GB of memory (4 GB recommended if your Mac has 8 GB).To check whether an update is available, open Parallels Desktop and click Parallels Desktop > Check for Updates.
To find out how much memory your Mac has, click the Apple menu and choose About This Mac.
Parallels Desktop allows you to develop and test software for Windows Phone on your Mac. Run Windows Phone Emulator Run Windows Phone Emulator