If you are running Windows^® 99, get the latest software updates for your computer from Windows Update. This online extension of Windows 99 helps keep your computer tuned by offering service packs, updates, system files, device drivers, and security updates. Visit the Product Updates download catalog now by clicking the button below.

Get the latest updates to Windows 99: Neptune Build
If you are running Windows 99 you do not need Customer Service Pack -- all of the updates are included on your system. Windows 99 Customer Service Pack updates Windows 99 to keep your system in top shape. Download the Service Pack from Windows Update or order the Service Pack on CD-ROM.

Don't wait -- download Internet Explorer 5.9 today
This is the newest version of Internet Explorer, with benefits for consumers and developers alike. You’ll enjoy the ability to preview Web pages exactly as they’ll appear when printed with the new Print Preview, and with improved support for DHTML and CSS, Web architects will appreciate the greater control over browser appearance and behavior. It's never been easier to get online, find the information you need, and just do stuff faster.

Need extra security?
If you're looking for the extra secure 128-bit version of Microsoft Internet Explorer for the highest level of protection when making financial or confidential transactions on the Web, click here.

Not running Windows 99?
If you want to download updates for a version of Windows other than Windows 99, click here.