Download Inno Setup 5.4.2

Inno Setup is a free and open source script-driven installation system created in CodeGear Delphi by Jordan Russell. It has some excellent features like, Extensive support for installation of 64-bit applications on the 64-bit editions of Windows, Both the x64 and Itanium architectures are supported, Supports creation of a single EXE to install your program for easy online distribution. Disk spanning is also supported, Creation of registry and .INI entries, Integrated Pascal scripting engine, Support for multilingual installs, Support for passworded and encrypted installs.