Where can I download the Windows Installer v3.1 Redistributable pack?
Microsoft Windows Installer 3.1 is included with Microsoft Windows Server 2003 Service Pack 1 (SP1).
Windows Installer 3.1 is now available as a redistributable system component for the following operating systems:
Microsoft Windows 2000 Service Pack 3 (SP3)
Microsoft Windows 2000 Service Pack 4 (SP4)
Microsoft Windows XP
Microsoft Windows XP Service Pack 1 (SP1)
Microsoft Windows XP Service Pack 2 (SP2)
Microsoft Windows Server 2003
Windows Installer 3.1 is a minor update to Windows Installer 3.0 that was released in September 2004. Windows Installer 3.1 contains new and enhanced functionality. Additionally, Windows Installer 3.1 addresses some issues that were found in Windows Installer 3.0.
Windows Installer v3.1 is included in Windows Server 2003 SP1 so there is no need for you to install it on a machine running SP1.
Download the files: