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The Windows executable installer is built using NSIS (http://nsis.sourceforge.net/), an open source system to create Windows installers.
The installer can, of course, be generated a Windows system but also on a Linux or Mac OS X system (for these two systems, a preliminary step is to compile the makensis command line utility that will be used to generate the installer - LINK TO THE PAGE ON HOW TO COMPILE MAKENSIS).
Installer layout
The installer installs the following files on the target system:
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