Inno Setup is a free installation builder that helps you create professional software installers through simple scripts. This powerful tool makes it easy to package and distribute your applications with a clean, wizard-style interface that users trust.
Key Features and Benefits

When you use Inno Setup, you get access to several essential installation capabilities:
- A familiar wizard interface that makes installation smooth for end users
- Complete control over file installation, including fonts and DLL registration
- Flexible installation options, from minimal to full custom setups
- Built-in support for multiple languages
- Professional uninstallation features that leave no traces behind
Advanced Customization Options
For developers who need more control, Inno Setup includes the IPS (Innerfuse Pascal Script) programming language. This powerful feature allows you to:
- Create custom installation pages
- Perform complex calculations during setup
- Manage installation variables
- Customize every aspect of your installer’s behaviour
Check Also – CreateInstall 8.11.1 – Free Installation Wizard
Making Installation Easy
While this software works through a command-based interface, several helpful tools make it more user-friendly. The ISTool frontend provides a visual interface that makes creating installation scripts much simpler, perfect for beginners and experienced users alike.
Getting Started
To make the most of this software, you should:
- Read the included documentation
- Try the ISTool visual builder
- Start with basic scripts before moving to advanced features
Important Note: Despite being completely free, Inno Setup offers reliability and features that match or exceed many paid alternatives.
License: Freeware
Download
Inno Setup (5.94 MB)