Feature List

Nullsoft Scriptable Install System

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1.3 Feature List

  • Generates self contained executable installers
  • Support for ZLIB, BZIP2 and LZMA data compression (files can be compressed individually or together)
  • Uninstall support (installer can generate an uninstaller)
  • Customizable user interface (dialogs, fonts, backgrounds, icons, text, checkmarks, images etc.)
  • Classic and Modern wizard interface
  • Fully multilingual, support for multiple languages in one installer. More than 60 translations are available, but you can also create your own. Unicode support allowing even more languages.
  • Page system: You can add standard wizard pages or custom pages
  • User selection of installation components, tree for component selection
  • Multiple install configurations (usually Minimal, Typical, Full), and custom configuration
  • Installer self-verification using a CRC32 checksum
  • Small overhead over compressed data size (34 KB with default options)
  • Ability to display a license agreement in text or RTF format
  • Ability to detect destination directory from the registry
  • Easy to use plug-in system (lots of plug-ins for creation of custom dialogs, internet connections, HTTP downloading, file patching, Win32 API calls etc. are included)
  • Installers can be as large as 2GB
  • Optional silent mode for automated installations
  • A preprocessor with support for defined symbols, macro's, conditional compilation, standard predefines
  • A lovely coding experience with elements of PHP and assembly (includes user variables, a stack, real flow control, etc.)
  • Installers have their own VMs that let you write code that can support:

    • File extraction (with configurable overwrite parameters)
    • File/directory copying, renaming, deletion, searching
    • Plug-in DLL calling
    • DLL/ActiveX control registration/deregistration
    • Executable execution (shell execute and wait 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 custom pages
    • Branching, comparisons, etc.
    • Error checking
    • Reboot support, including delete or rename on reboot
    • Installer behaviour commands (such as show/hide/wait/etc)
    • User functions in script
    • Callback functions for user actions

    • Completely free for any use. See license.

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