NSIS 3.09 (Nullsoft Scriptable Install System)

NSIS: Simplifying Software Installations with Scripting

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NSIS, the Nullsoft Scriptable Install System, is a software installation system.

NSIS (Nullsoft Scriptable Install System) is a small, efficient, capable, professional open-source system for creating 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 successful software. With NSIS you can create installers that are capable of doing everything that is needed to set up 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, and communicate with Windows and other software components. Also, you can install or update shared components and more.

NSIS (Nullsoft Scriptable Install System) Features:

  • Generates self-contained executable installers
  • Support for ZLib, BZip2, and LZMA data compression
  • Uninstall support (installer can generate an uninstaller)
  • The customizable user interface (dialogs, fonts, backgrounds, icons, text, checkmarks, images, etc.)
  • Classic and modern Wizard interface
  • Fully multilingual, support for multiple languages (together with RTL languages) in a single installer. More than 40 translations are already available, however, it’s also possible to create your own.
  • Page system. You can add standard wizard pages or customized pages
  • User number of installation components, the tree for part choice
  • Multiple install configurations (normally Minimal, Typical, Full), and customized configuration
  • Installer self-verification using a CRC32 checksum
  • Small overhead over compressed data size (34 KB with default options)
  • Ability to display a license settlement in text or RTF format
  • Ability to detect destination directory from the registry
  • Easy to use the plug-in system. Lots of included plug-ins for the creation of customized dialogs, internet connections, HTTP downloading, file patching, Win32 API calls, etc.
  • Installers may be as giant as 2GB
  • Optional silent mode for automated installations
  • A preprocessor with support for defined symbols, macros, conditional compilation, standard predefines
  • Lovely coding experience with elements of PHP and assembly. Includes user variables, a stack, actual flow control, etc.

Installers have their VMs that allow you to write code that may support

  • File extraction (with configurable overwrite parameters)
  • File/directory copying, renaming, deletion, looking out
  • Plug-in DLL calling
  • DLL/ActiveX control registration/unregistration
  • Executable execution (shell execute and wait for options)
  • Shortcut creation
  • Registry key reading/setting/enumerating/deleting
  • INI file reading/writing
  • Generic text file reading/writing
  • Powerful string and integer manipulation
  • Window finding based on class name or title
  • User interface manipulation (font/text setting)
  • Window message sending
  • User interaction with message boxes or customized pages
  • Branching, comparisons, etc.
  • Error checking
  • Reboot support, together with delete or rename on reboot
  • Installer conduct commands (corresponding to show/hide/wait/etc.)
  • User functions within the script
  • Callback functions for user actions

Changes in NSIS (Nullsoft Scriptable Install System) 3.09 :

  • Use isolated uninstaller directory for every instance
  • Added !assert
  • Fixed !uninstfinalize bug on large uninstallers
  • Fixed creation of missing special folders on old Windows versions where SHGetFolderPath is not available
  • Fixed plug-in call overwriting SetDetailsPrint lastused
  • Fixed !appendfile not writing to non-empty files with a BOM
  • Fixed LogicLib ${Switch} Unicode bug
  • Fixed MakeNSISW editor zoom level bug
  • Updated Brazilian Portuguese
  • Updated Ukrainian
  • Fixed halibut compiler warnings
  • Fixed various issues with very old and new GCC versions
  • Disable stub relocations in newer GCC

Size: 1.48 MB

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