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Inno Setup Downloads

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Stable Release

Inno Setup 5 introduced a number of significant enhancements including:

  • 5.0: Pascal Scripting at uninstall time
  • 5.0: All-new, easier-to-use custom wizard page support
  • 5.0: Expression support in Components/Tasks/Languages/Check
  • 5.0: Live installation log viewing from within the IDE during debugging
  • 5.1: Extensive support for installation of 64-bit applications on the 64-bit editions of Windows
  • 5.2: Support for running programs with the (normally non-elevated) credentials of the user that started Setup initially
  • 5.2: Automated digital signing of Setup and Uninstall
  • 5.2: Improved support for right-to-left languages (Arabic and Hebrew)
  • 5.3: Support for LZMA2 compression and new Windows 7 features
  • 5.3: Unicode Inno Setup
  • 5.4: Much improved Compiler IDE editor
  • 5.4: Official inclusion of Inno Setup Preprocessor
  • 5.5: First version used by Microsoft Visual Studio Code and Embarcardero Delphi.
  • 5.5: Support for Restart Manager and new Windows 8 features
  • 5.5: Support for Windows 8.1 and Windows 10
  • 5.5: Support for dual signing (SHA1 & SHA256)
  • 5.6: Improved support for high DPI systems

What's new in this version?

Filename Download Sites DLs Date Description
innosetup-5.6.1.exe Random site
US
Netherlands
867,977 2018-06-14 Inno Setup self-installing package.
innosetup-5.6.1-unicode.exe Random site
US
Netherlands
153,260 2018-06-14 Unicode Inno Setup self-installing package.

Remember to check the Inno Setup FAQ for solutions to common problems. Also see the Third-Party Files page for some useful tools, and translations of Setup into other languages.

QuickStart Pack

The Inno Setup QuickStart Pack includes Inno Setup itself and additionally includes an option to install the Inno Script Studio script editor. This script editor is not official and is not required for general usage, but makes Inno Setup easier to use. See the Third-Party Files page for more information.

The Inno Setup QuickStart Pack also includes an option to download and install official encryption support.

Filename Download Sites DLs Date Description
innosetup-qsp-5.6.1.exe Random site
US
Netherlands
97,549 2018-06-14 Inno Setup QuickStart Pack self-installing package.
innosetup-qsp-5.6.1-unicode.exe Random site
US
Netherlands
83,764 2018-06-14 Unicode Inno Setup QuickStart Pack self-installing package.

Encryption Module

For legal reasons, encryption code is not built into Inno Setup. You must download a separate "encryption module" if you wish to utilize Inno Setup's encryption capabilities (that is, the Encryption [Setup] section directive). Note: The above QuickStart Pack can download and install it for you.

Filename Download Sites DLs Size Description
ISCrypt.dll Netherlands 1,108,496 2.5 KB Encryption module for Inno Setup.
To install, simply place the file in your Inno Setup directory.

md5sum: a69559718ab506675e907fe49deb71e9
ISCrypt.zip Netherlands 323,910 2 KB Source code for the encryption module (Visual C++ 2003).

md5sum: 09174b2311dbc3ee6df11c169c4e8566

Beta Release

A beta release of Inno Setup 6 is available and introduces a large number of changes. You are welcome to discuss its features on the forum.

Some features included in Inno Setup 6 are:

For the complete list of what's new/changed, see: What's new in this beta version?

OS requirements change: Windows 2000, XP, and Server 2003 are no longer supported. Windows Vista is the minimum supported operating system.

Change in default behavior: Starting with Inno Setup 6 there's only one version available: Unicode Inno Setup. Unicode Inno Setup has been available for 9 years but in case you have not yet updated to it: please see the Unicode Inno Setup topic in the help file for more information. Basically, unless you're using [Code] to make DLL calls with string parameters you shouldn't have to make any changes to your script.

Beta releases are not recommended for production use.

Filename Download Sites DLs Date Description
innosetup-6.0.1-beta.exe Random site
US
Netherlands
14,202 2019-03-07 Inno Setup self-installing package.
innosetup-qsp-6.0.1-beta.exe Random site
US
Netherlands
10,897 2019-03-07 Inno Setup QuickStart Pack self-installing package.

Source Code

You can get the Inno Setup source code via GitHub. Latest sources obtained via GitHub may contain fixes or new features not found in the latest released version of Inno Setup. However, those fixes and new features may not have yet been fully tested.

To contribute to Inno Setup, see CONTRIBUTING.md on GitHub for more info.


For more Inno Setup-related downloads, see Third-Party Files.


Site contents Copyright © 1997-2019 Jordan Russell. All rights reserved.
Portions Copyright © 2000-2019 Martijn Laan. All rights reserved.