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NSIS (Nullsoft Scriptable Install System) Portable is a professional open source system to create standard Windows installers (as well as our launchers) packaged as a portable app so you can create installers and launchers anywhere.
NSIS can create Windows installers that are capable of installing, uninstalling, setting system settings, extracting files, etc. Because NSIS is based on script files, you can create both simple and advanced installers.