Microsoft Windows Vista Ultimate SP1 Upgrade Retail Box

Upgrades from:

Windows Vista (any pre-SP1 version)
Windows XP Professional
Windows XP Home
Windows XP Media Center
Windows XP Tablet PC
Windows XP Pro x64 (clean install only)
Windows 2000 (clean install only)

• The Vista Experience
  Vista Ultimate includes the Aero interface, with elegant features like transparent windows and Flip 3D navigation, which scrolls between thumbnails of open programs. You can organize, edit, and share your photos with the Windows Photo Gallery. Vista Ultimate contains special security features like BitLocker encryption to better protect against data loss or theft, and Windows Defender to keep your system spyware-free.
  
• Digital Entertainment
  Windows Media Center can be connected with other devices on your home network, like an Xbox 360, to enjoy entertainment on other devices than your PC. DVD Maker3 lets you burn slideshows and videos to a DVD, and Vista Ultimate's HotStart feature even offers CD and DVD playback without waiting for Windows to boot up.
  
• Mobility features
  Vista Ultimate is enhanced with the Windows Mobility Center and Tablet technology, making it the best version for notebooks and laptops. You can download network files and folders, work on them offline, and then efficiently synchronize the files when you reconnect to the server. Windows Meeting Space lets you collaborate and share documents wirelessly.