The Microsoft Windows Installer is an application installation and configuration service. WindowsInstaller-KB893803-v2-x86.exe is the redistributable package for installing or upgrading Windows Installer. This revised package replaces the previously released redistributable package named "WindowsInstaller-KB893803-x86.exe".
The new Windows Installer redistributable follows a new naming convention that contains a knowledge base reference so it is easier to identify which version of the Windows Installer will be installed. The previous naming convention, INSTMSI.EXE, will no longer be used.
System Requirements
* Supported Operating Systems: Windows 2000 Service Pack 3; Windows 2000 Service Pack 4; Windows Server 2003; Windows XP; Windows XP Service Pack 1; Windows XP Service Pack 2
Windows Installer 3.1 Redistributable supports Windows 2000 with Service Pack 3 or later, Windows XP, Windows XP Service Pack 1, Windows XP Service Pack 2 and Windows Server 2003. Windows Server 2003 Service Pack 1 contains Windows Installer 3.1 and therefore can't be installed or upgraded by this redistributable. Download Windows Installer 3.1 from here.
