Inno Setup is a free, feature-packed installation builder. The application's features include a Windows 2000-style wizard interface; the ability to create a single EXE for easy online distribution; support for disk spanning; and full uninstall capabilities. The program also includes customizable setup types, integrated LZMA file compression, support for installing shared files and OCXs, and the creation of Start menu icons, INI entries, and registry entries. Full Delphi source code is available on the author's Web site.
What's new in this version:
Version 5.5.3 has added new command line parameters supported by Setup: /HELP and /?.