Download Inno Setup for Windows PC v7.1.0 for Windows PC
Inno Setup 7 is the free installer builder behind a generation of Windows software — script a professional setup.exe with compression, signing support...
Technical Specifications & System Requirements
Software notes
Features
- Completely free for personal and commercial use with no royalties — a rarity among professional installer builders of this capability.
- Readable script format with full documentation means installation logic is version-controlled text, reviewable and diffable like source code.
- Integrated Pascal scripting handles custom wizard pages, prerequisite downloads, and conditional logic that declarative-only tools cannot express.
- Produces a single compressed, signable setup.exe with multilingual support, proper uninstall registration, and 64-bit/ARM64 awareness.
- Decades of production use and an enormous knowledge base mean every packaging problem you hit has a documented, community-tested answer.
Considerations
- There is no visual installer designer — your first setup is authored as a script, which has a learning curve for developers used to wizards.
- Windows only, by design: teams shipping macOS or Linux builds need additional tooling for those platforms.
- The default setup appearance is classic rather than modern, and heavily branded enterprise installers require custom theming work.
About & Overview: Inno Setup for Windows PC
Inno Setup is Jordan Russell's free installer builder for Windows, used for over two decades to package everything from indie utilities to commercial software. Developers describe their installation in a readable script — files, shortcuts, registry entries, services, prerequisites — and Inno Setup compiles a single professional setup.exe with compression, digital-signature support, uninstall registration, multilingual dialogs, and Pascal scripting for custom logic. Version 7 adds a modernized compiler IDE, improved 64-bit and ARM64 support, and dark-mode-ready setup themes. It is free for commercial use with no royalties, which is why a generation of Windows software still ships on it.
How to Install & Verify Inno Setup for Windows PC
Download Inno Setup from the official vendor link on this page.
Open the downloaded file and complete the installation wizard.
Launch the Inno Setup Compiler and start from the Script Wizard or the included examples.
Related Windows PC Software & Alternatives
Frequently Asked Questions & Verification Guide
Is Inno Setup really free for commercial software?
Yes. Inno Setup is free of charge even for commercial use, with no royalties. The author accepts voluntary donations.
What does Inno Setup create?
It compiles your script and files into a single Windows setup executable (plus optional .bin slices) with an integrated uninstaller.
Does Inno Setup 7 support 64-bit and ARM64 programs?
Yes. Version 7 can build installers for 64-bit and ARM64 applications and includes an x64 installer of Inno Setup itself.
Can Inno Setup install prerequisites like .NET or VC++ runtimes?
Yes — through its scripting and download capabilities you can detect and install prerequisites, or bundle them with your setup.
Is Inno Setup the same as NSIS or WiX?
They solve the same problem differently: Inno Setup favors a readable script and quick results, WiX targets MSI with XML, NSIS is a lighter scriptable engine. Inno is often chosen for the fastest path to a professional installer.