Upgrading from Windows Millennium Edition (Also Windows 98) to Windows XP

You can upgrade your Windows Millennium to Windows XP Professional Edition or Windows XP Home Edition.
To know more about Windows XP and its features, please visit the below web links:

Article Title: Windows XP Professional Features
http://www.microsoft.com/windowsxp/pro/evaluation/features.mspx

Article Title: Windows XP Home Edition Features
http://www.microsoft.com/windowsxp/home/evaluation/features.mspx

The below web links explains how to install Windows XP once you purchase Windows XP.

HOW TO: Install Windows XP
http://support.microsoft.com/default.aspx?scid=kb;[LN];316941#appliesto

Performing a Clean Install of Windows XP
http://www.microsoft.com/WindowsXP/expertzone/columns/honeycutt/02october07.asp

Article Title: How to prepare to upgrade Windows 98 or Windows Millennium Edition to Windows XP
http://support.microsoft.com/kb/31663

Microsoft Product Information team also has information available to you online at the following Web site:
http://www.microsoft.com/products/

This site has general and technical pre-sales information about product features, licensing, product pricing, and upgrades.