Inno Setup Downloads

• Current Release
• Next Release
• Source Code
• Old Downloads

Want to be notified by e-mail of updates? Then click here to subscribe to the Inno Setup announcements mailing list.

Current Release

Inno Setup 6.5 and other recent versions introduced a large number of significant enhancements including:

• 6.5: Increased the maximum size for a single Setup.exe to 4 GB, which is the maximum Windows supports.
• 6.5: Added support for using .png wizard images.
• 6.5: Auto reloads in the Compiler IDE, improving integration with tools like Claude Code, and allowing undo after reload.
• 6.5: Improved archive extraction, including support for .zip and password-protected archives.
• 6.5: Improved file downloads, no [Code] needed anymore.
• 6.5: New signature-verification capability: download, verify and extract using a single [Files] entry.
• 6.5: Full dark mode support for the Compiler IDE, and improved support for high-contrast themes and screen readers.
• 6.5: Support for encryption of the entire installation.
• 6.4: New strong encryption algorithm and updated LZMA SDK.
• 6.4: Many more Compiler IDE improvements, including match selection, parameter hints, improved autocompletion, section folding, change history and optional Visual Studio Code-style shortcuts.
• 6.3: Support for Arm64 systems improved, and related enhancements.
• 6.3: Support for logging the output of executed programs or batch files.
• 6.3: Support for UTF-8 encoded files without a BOM.
• 6.3: Many Compiler IDE improvements, including multiple selection support.

Updating is strongly recommended, even if you don’t plan to use these enhancements right away. We continually add extra checks to make your installers safer and more reliable. At the same time, we ensure backward compatibility for your existing installers.

What's new in this version?

Introducing commercial licenses: Using Inno Setup commercially? Please purchase a license. Thank you! All commercial licenses are perpetual and require a single payment. They include two years of updates, major and minor. After this period, your current version will remain licensed and functional as-is.

To install Inno Setup interactively using winget use the following command: winget install --id JRSoftware.InnoSetup -e -s winget -i

Remember to check the Inno Setup FAQ for solutions to common problems.

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

Next Release

For the next release, we are working hard on various enhancements, including:

• Adding support for dark mode (forced or automatic) and custom styles to Setup and Uninstall.
  
• Includes support for dark and custom styled task dialogs.
• Includes support for right to left languages.

Please purchase a license or donate to support this work. Thank you! ♥

You can see all finished features which will be be included in the next release by viewing the Revision History file in Git.

A preview version is available temporarily.

You should not use this version in production. However, please try your own scripts in dark mode or with a custom style, and report any successes or failures on the forum. Thank you in advance.

What's new in this preview version?

Download - uses the Polar Light or Polar Dark style, depending on your Windows system settings, including styled title bars which is optional

Updated WizardStyle help topic - includes example screenshots.

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 the Inno Setup source code, see CONTRIBUTING.md on GitHub for more info.