HP recommends Windows® 7.
Award-winning service and support
Use the HP dock as your desktop gateway. Drag and drop shortcuts to your favorite programs into it for easy access. Quickly find what you’re looking for on the Internet using the built in search box. Customize the dock so everything is just the way you want it.
Systems may require upgraded and/or separately purchased hardware to take full advantage of Windows 7 functionality. Not all features are available in all editions of Windows 7. See http://www.microsoft.com/windows/windows-7/ for details.