NSIS (Nullsoft Scriptable Install System)

Description: NSIS (Nullsoft Scriptable Install System) is a professional open-source system to create Windows installers
Interface: GUI, CLI
License: open-source
Homepage
Platforms: Windows x86 (downloads), x64 port (download)
Commentary: 
Usage Example: compile .nsi script files into exe installers

Screenshot:

Other Notes:

- Look for example scripts in this folder: c:\Program Files\NSIS\Examples\