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Update Eligibility
You can upgrade from your current edition of Microsoft Windows XP or Windows 2000 (including Windows XP Professional, Windows XP Home, Windows XP Media Center, Windows XP Tablet PC, Windows XP Professional x64, Windows 2000) to a corresponding or better edition of Windows Vista by purchasing and installing this upgrade copy of Windows Vista. Depending on which edition of Windows you are running and the edition of Windows Vista you would like to install, you have two options for the installation process: You can upgrade in-place, which means you can install Windows Vista and retain your applications, files, and settings as they were in your previous edition of Windows or you can do a clean install. If you are currently using Windows 2000 Professional or Windows XP Professional x64, you are eligible for an upgrade copy to a corresponding or better edition of Windows Vista, but a clean install is required. For versions of Windows earlier than Windows 2000, upgrade copies are not available. These earlier versions of Windows require you to install a full copy of Windows Vista.

Breakthrough Windows Vista Experience
Designed to help you feel confident in your ability to view, find, and organize information and to control your computing experience, all editions of Windows Vista introduce a breakthrough user experience. The visual sophistication of Windows Vista helps streamline your computing experience by refining common window elements so you can better focus on the content on the screen rather than on how to access it. The desktop experience is more informative, intuitive, and helpful. And new tools bring better clarity to the information on your computer, so you can see what your files contain without opening them, find applications and files instantly, navigate efficiently among open windows, and use wizards and dialog boxes more confidently.

Innovative User Interface
Vista Home Premium has a new user interface named Windows Aero, which is both efficient and visually stunning. This new interface makes it easier than ever before to find your way around the operating system; it even makes it a snap to accomplish multiple tasks at once by providing a three-dimensional, real-time, animated view of all of your open applications and documents. Additionally, Vista Home Premium helps you quickly find and organize large collections of documents, pictures, movies, videos, and music. By integrating search throughout the operating system, this software helps you quickly find exactly what you are looking for.

Improved Mobility
Vista Home Premium makes it easy to take your home computing experience with you wherever you go. For example, the system includes Windows Tablet and Touch Technology that enables you to interact with your Tablet PC-compatible computer with a digital pen or your fingertip instead of having to use a keyboard. Computers that include Vista Home Premium and an auxiliary Windows SideShow display will also allow you to access key data even when your computer is off. You'll even be able to share files between other PCs in your household and to manage your laptop computer settings to more securely connect to your favorite Wi-Fi hotspot.

More Entertainment Options
Vista Home Premium has the power to improve every aspect of your digital entertainment experiences, including viewing and sharing photos, video, TV, movies, music, games, and more. For example, you can create your own DVDs and edit your own high-definition movies. The most exciting news, however, is that Vista Home Premium includes all of the Windows Media Center capabilities for turning your PC into an all-in-one home entertainment center so you can enjoy your music, photos, and DVD movies. You can also use Windows Media Center to record and watch your favorite TV shows (even HDTV) and to access new kinds of online entertainment content. You will also be able to connect Windows Vista Home Premium to your Microsoft Xbox 360 to extend your Media Center experience to multiple rooms in your home.