Mac OS or Windows? Parallels Desktop Windows on Mac lets you seamlessly run Windows and Mac OS X side-by-side, drag-and-drop your files between operating systems, and run Windows software on your Apple computer without rebooting. What's new in this version: Parallels Desktop Windows on Mac fixes compatibility with new Mac Pros based on Intel Xeon Westmere processors. Faster: - Run Windows 7 with Aero - Enjoy Snow Leopard - Run thousands of Windows programs faster on your Mac - Enhanced! Install Windows XP, Vista or 7 in 3 easy steps - Enhanced! Optimized for Mac OS X 10.6 Snow Leopard - New! Full support for Aero, including Flip 3D in Windows Vista and 7 and OpenGL 2.1 - New! OpenGL 2.1 support for Linux guest Operating Systems - Enhanced! Parallels Compressor automatically reclaims hard disk space - Enhanced! Intel VT-x2 virtualization technology drives maximum performance - Enhanced! Unmatched virtual machine performance - Enhanced! KVM paravirtualization for Linux gives unmatched performance Smarter: - Share files between Mac and Windows - Use Windows apps like Mac apps - The simple and easy way to use Windows - show as much or as little of the Windows interface as you like - supporting those new to Mac and the very experienced. Easily share files between Mac and Windows - Launch Windows apps directly from the Mac dock - New! Support for Multi-Touch trackpad gestures in Windows applications - Enhanced! Improved USB device compatibility - printers, cameras, mobile phones, scanners, GPS devices and more - New! Run Mac OS X and Windows on multiple monitors - Enhanced! Easily organize multiple windows with Expose and Spaces - New! Use Apple remote to control Windows applications More Powerful: - DirectX 9.0c/9Ex with Shader Model 3 - All the security you need for Windows - No compromise on performance or speed. Download Parallels Desktop free trial and run Windows on Mac now!