Microsoft Windows Installer is a Windows update that allows you to install MSI format files. This format has properties that are very similar to the EXE executable format and it shares with it the capacity to install a program by double clicking on it.

Microsoft Windows Installer has an innovative graphic user interface with respect to its predecessor, Setup API. It has automated the uninstallation sequence and it has a wide variety of functions that make this installer the best option.

This new version of Microsoft Windows Installer has corrected the progress bar and the revision application in isolated components.

It includes INSTALLSTART_ACTIONSTART message sending for all actions. A further new feature of Microsoft Windows Installer is that it has corrected the error of refusing a valid revision by mistake.

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