Windows XP has improved upon security, including the new Security Center, which allows you to check the status of the important security elements on your computer-Windows Firewall, Automatic Updates, and virus protection software-making it easier for you to understand how to keep your computer better protected against viruses and other security threats. Performance is at an all-time high. You can now use more programs at the same time and they will run faster than ever. Windows XP is dependable and stable, so you can always rely on the performance and effectiveness of your computer.