www.microsoft.com/uk/windows/sp2/default.mspx

Windows XP Service Pack 2 (SP2) Windows XP Professional x64 Edition. Windows Server 2003 Service Pack 1 (SP1) Memory. For Internet Explorer 7: Windows XP Service Pack 2 (SP2) - 64 MB

www.microsoft.com/uk/windows/downloads/ie/sysreq.mspx

Learn what you can do to improve your computer's security, including installing Windows XP SP2, using a firewall, updating your computer regularly with critical updates, and using ...

www.microsoft.com/uk/athome/security/protect/windowsxp/Default.mspx

Your operating system appears to be Windows XP with Service Pack 2 (SP2), which contains many of the latest and best security features from Microsoft.

www.microsoft.com/uk/athome/security/protect/windowsxpsp2/default.mspx

www.microsoft.com/uk/windowsxp/sp2/default.mspx

Installing Service Pack 2; Learning about Windows XP SP2 ; What to know before you install Windows XP SP2 ; Preparing your computer for installation of Windows XP SP2

support.microsoft.com/gp/windowsxpsp2/en-gb

Learn how to download and install Service Pack 2 for Windows Vista to ensure your computer gets important updates and improvements to Windows.

windows.microsoft.com/en-GB/windows-vista/Learn-how-to-install-Windows-Vista-Service-Pa...

www.microsoft.com/uk/windowsxp/sp2/sp2.mspx

Specifically, how does Windows XP SP2 help protect my PC? SP2 includes innovative features and default safeguards that increase your overall security levels significantly.

www.microsoft.com/uk/athome/security/protect/windowsxp/getsp2.mspx

www.microsoft.com/uk/windows/sp2/what-it-means.mspx