The Microsoft Windows Installer engine must be present in the operating system before a Windows Installer (.msi) package can be installed. This article describes how to obtain and install the Windows Installer engine if it is not already in the operating system.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
Overview of the Windows Installer technology
Microsoft Windows XP includes Windows Installer version 2.0. Microsoft Windows 2000 includes Windows Installer version 1.1.
Download Windows Installer 2.0
To download Windows Installer 2.0 for Windows 2000 and for Windows NT, visit the following Microsoft Download Center Web site:
Download Windows Installer 3.0
For more information about how to obtain Windows Installer 3.0, click the following article number to view the article in the Microsoft Knowledge Base:
Windows Installer 3.1 v2 (3.1.4000.2435) is available