Compare Windows XP to Windows Vista

Windows XP
Windows Vista
Enjoy more
Find, fix, and share photosOrganize, edit, and share your favorite photos with family and friends using Windows Photo Gallery.
Find almost anythingFind documents, e-mail, photos, and more in a snap through Instant Search.
Turn any room into a media roomManage and enjoy digital photos, music, TV shows, and movies in your living room with Windows Media Center.M
Play the way you wantEasily install, organize, and play games using Windows Game Explorer.
Make movie magicRetain high-definition quality as you capture, edit, and publish movies from a video camcorder with Windows Movie Maker.2
Windows XP
Windows Vista
Worry less
Help your kids stay saferHelp keep your children safer online with customizable Parental Controls.
Back up and restore filesGet improved backup and restore functions, including automatically scheduled backups, with Windows Backup and Restore Center.
Help safeguard sensitive dataBetter protect your data against loss or theft if your mobile PC is ever lost or stolen with Windows BitLocker Drive Encryption.B
Guard against external threatsHelp protect your PC from external threats with Windows Firewall.
Find and remove spywareHelp protect your PC by regularly scanning your computer for spyware with Windows Defender.3
Windows XP feature improved in Windows Vista
Next steps
Compare the editions of Windows Vista
Upgrade now at Windows Marketplace
1 Customers can contact Microsoft as often as they need during this important 90-day period. See our phone support hours of operation and further information for Windows Vista Ultimate, Windows Vista Home Premium, Windows Vista Business, and Windows Vista Home Basic.
2 High-definition support is only available in Windows Vista Home Premium and Windows Vista Ultimate.
3 Windows Defender is a free download for Windows XP.
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Source : http://www.microsoft.com