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Stands for Nullsoft Scriptable Install System. A script-driven lightweight tool for creating Windows installers. It is designed to handle complex installation tasks. It also offers a number of plug-in that additionally allow to create web installers, as well as install or update software components.

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First released July 31, 2001
Developed by Nullsoft
Latest stable version NSIS 3
Open-source Yes
Used by Dropbox, Ubisoft, McAfee

Development by Synergize.digital

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