NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution.

Being a user's first experience with your product, a stable and reliable installer is an important component of succesful software. With NSIS you can create such installers that are capable of doing everything that is needed to setup your software.

NSIS is script-based and allows you to create the logic to handle even the most complex installation tasks. Many plug-ins and scripts are already available: you can create web installers, communicate with Windows and other software components, install or update shared components and more.

Release Name: 2.32

Notes:
NSIS 2.32 is released. This release is powered by PNG for Vista icon support and Subversion for development joy. As always, various bug fixes and improvements are served for no extra charge.

Release Notes
    * Vista PNG icons are now supported without the need for any special tricks.

Changes:

Major Changes
    * Added support for mismatching installer and uninstaller icons
    * NSIS source code is now hosted on Subversion instead of CVS

Minor Changes
    * Fixed synchronization that could allow the user to cause extraction errors in rare cases (reported in the forum)
    * Fixed syntax validation of Var
    * Modern UI 2 beta: Fixed 3-line title on welcome/finish page
    * Modern UI 2 beta: Fixed components page description and lock
    * Modern UI 2 beta: Fixed default language selection from registry
    * Modern UI 2 beta: Fixed MUI_DIRECTORYPAGE_BGCOLOR
    * Minor documentation improvements (including bug #1811876, bug #1819946)

Utilities and Plug-ins
    * nsDialogs: Added link support

Translations
    * Bulgarian corrections
    * Fixed Japanese and Norwegian Nynorsk MUI line breaks (bug #1817289)

Build System
    * Check compiler's -m32 flag before the linker's to avoid gcc segfault

更新：http://nsis.sourceforge.net/News
官網：http://nsis.sourceforge.net/Main_Page

NSIS 是“Nullsoft 腳本安裝系統”(Nullsoft Scriptable Installation System) 的縮寫， 是一個小巧高效的安裝軟件。可通過樣例修改或根據自己要求編寫NSI腳本文件來定制自己的安裝系統，可實現許可協議的顯示、安裝類型的選擇、寫入注冊表、寫入INI文件、連接程序外殼、語句跳轉、提示信息顯示、創建卸載程序、定制安裝和卸載程序的圖標、創建快捷方式等其他安裝程序應有的功能，是一款操作簡單、功能強大的高效率安裝軟件精品。

Download: Nullsoft Scriptable Install System 2.32
Download: NSIS/Nullsoft Install System 2.27漢化版