This easy-to-follow guide shows anyone running Windows XP how to take advantage of the power, stability, and versatility of the most popular operating system in use today. Coverage of basic system features enables you to use your computer effectively and efficiently. Learn to access the Control Panel and customize settings, use keyboard commands, operate and maintain hardware, use all the software properly, and enjoy all the digital entertainment features. Key updates to this edition include full details on Service Pack 2--which provides increased protection against viruses, hackers, and worms--and how it affects security, email, home networking, and firewalls. The new interface and components of Media Player 10 are also covered, making downloading, playing and organizing music and videos much easier.