Inno Setup Downloads

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

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Current Release

Inno Setup 6.6 and other recent versions introduced a large number of significant enhancements including:

• 6.6: Added support for dark mode and custom styles to Setup and Uninstall.
• 6.6: Updated the default font to 9-point Segoe UI.
• 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 always 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?

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

Releases are also available as immutable GitHub releases.

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:

• Enabling Windows' RedirectionGuard in Setup and Uninstall.
• Allowing the use of background images and custom colors.

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.

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.