The Pro edition adds a Microsoft Visual Studio plug-in, support for popular development, design, and test tools, advanced networking tools, support for business cloud services, and premium 24/7 support. The regular version of Parallels Desktop is optimized for the latest version of the Mac OS X operating system, includes smart and simple one-touch tools, comes with 500 GB incremental online backup and allows users to dedicate up to 8 GB and 4 virtual CPUs for each virtual machine. Parallels Desktop is a commercial application available in three different editions. A setup like this is perfect for people who need access to a small number of Windows-only applications. You can remain logged into your Mac OS X system and run your favorite Windows apps without rebooting. With Parallels Desktop, it’s possible to use Windows apps like they are native to Mac. Mac OS X users can easily set up a virtual PC for Mac.