Order the Windows Security Update CD:
"Order the Windows Security Update CD
Updated Date: February 23, 2004

The Windows Security Update CD will be shipped to you free of charge. This CD includes Microsoft critical updates released through October 2003 and information to help you protect your PC. In addition, you will also receive a free antivirus and firewall trial software CD.

This CD is only available for Windows XP, Windows Me, Windows 2000, Windows 98, and Windows 98 Second Edition (SE).
Please allow 2-4 weeks for delivery."

http://www.microsoft.com/security/protect/cd/order.asp