Inno Setup is a free installer for Windows programs. First introduced in 1997, Inno Setup today rivals and even surpasses many commercial installers in feature set and stability.

Key features:

  • Support for all versions of Windows in use today: 7, 2008 R2, Vista, XP, 2008, 2003, 2000, Me, 98, 95, and NT 4.0. (No service packs are required.)
  • Extensive support for installation of 64-bit applications on the 64-bit editions of Windows. Both the x64 and Itanium architectures are supported. (On the Itanium architecture, Service Pack 1 or later is required on Windows Server 2003 to install in 64-bit mode.)
  • Supports creation of a single EXE to install your program for easy online distribution. Disk spanning is also supported.
  • Standard Windows 2000/XP-style wizard interface.
  • Customizable setup types, e.g. Full, Minimal, Custom.
  • Complete uninstall capabilities.
  • Installation of files:
    Includes integrated support for “deflate”, bzip2, and 7-Zip LZMA/LZMA2 file compression. The installer has the ability to compare file version info, replace in-use files, use shared file counting, register DLL/OCX’s and type libraries, and install fonts.
  • Creation of shortcuts anywhere, including in the Start Menu and on the desktop.
  • Creation of registry and .INI entries.
  • Running other programs before, during or after install.
  • Support for multilingual installs, including right-to-left language support.
  • Support for passworded and encrypted installs.
  • Support for digitally signed installs and uninstalls.
  • Silent install and uninstall.
  • Unicode installs. (Windows 2000/XP or later)
  • Integrated Pascal scripting engine option for advanced run-time install and uninstall customization.
  • Full source code is available (Borland Delphi 2.0-5.0 and 2009).
Filename Download Sites DLs Date Size Description
isetup-5.4.0.exe Random site
5,198 2010-10-31 1,574 KB Inno Setup self-installing package.
isetup-5.4.0-unicode.exe Random site
1,804 2010-10-31 1,974 KB Unicode Inno Setup self-installing package. Random site
882 2010-10-31 1,283 KB Delphi source code to Inno Setup.
This archive contains only the source code; it does not include documentation.

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