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Getting Started with IronOCR on Windows

Kye Stuart
Kye Stuart
Updated: August 2, 2026

IronOCR is a powerful .NET OCR library designed to extract text from scanned documents, images, PDFs, and more. It supports multiple languages and integrates seamlessly into Windows-based development environments using .NET Framework or .NET 8, 9, and 10.

This guide will walk you through setting up IronOCR on Windows and understanding which configurations work best.

Windows Compatibility

IronOCR supports the following Windows versions:

  • Windows 11 & Windows 10
  • Windows Server 2022 & 2019 - Desktop Experience
  • Windows Server 2016 - Desktop Experience
  • Windows Server Core - Limited support
Please note: IronOCR uses System.Drawing and related graphics components under the hood, which are not available in stripped-down Core or Nano environments. For best results, use Desktop Experience editions of Windows Server.

Windows-Specific Installation

The easiest and most reliable way to install IronOCR on Windows is via the NuGet Package Manager:

PM > Install-Package IronOcr

This package includes:

  • Core OCR engine
  • Windows dependencies
  • Language pack support

You can also install additional language packs such as Arabic, Chinese, or German by referencing:

PM > Install-Package IronOcr.Languages.Arabic

DLL Download

For offline or manual installations, you can download the compiled DLLs directly:

Add them to your project by:

  • Extracting the .zip
  • Opening your project in Visual Studio
  • Right-clicking Dependencies > Add Reference > Browse
  • Selecting all DLL files in the folder

Windows Installer

IronOCR also provides a Windows Installer for developers who prefer to install libraries manually via setup files. This is especially useful for offline environments or enterprise deployment.

To use the installer:

  • Launch the Installer
  • Extract the ZIP file and run the executable inside. The installer will open with a license agreement screen.
  • Read through the license agreement, then check the box to accept the terms and proceed by clicking Install.
  • Review Installation Info. After reviewing, click Next to continue.
  • After setup completes, click Finish to finalize the installation.

The installer includes all required DLLs for the OCR engine and language support, making it easy to integrate into any Windows project without NuGet.

Frequently Asked Questions

What is the primary use of IronOCR on Windows?

IronOCR is used to extract text from scanned documents, images, and PDFs using the .NET framework on Windows environments.

Which Windows versions are compatible with IronOCR?

IronOCR is compatible with Windows 11, Windows 10, Windows Server 2022, Windows Server 2019, and Windows Server 2016 Desktop Experience editions. It also has limited support for Windows Server Core.

How can I install IronOCR using NuGet?

You can install IronOCR using the NuGet Package Manager, which includes the core OCR engine, Windows dependencies, and language pack support.

Is it possible to install language packs with IronOCR?

Yes, additional language packs such as Arabic, Chinese, or German can be installed using specific Install-Package commands in NuGet.

Can IronOCR be installed without an internet connection?

Yes, you can perform an offline installation by downloading the compiled DLLs or using the IronOCR Windows Installer provided in a zip file.

What are the main installation methods for IronOCR on Windows?

IronOCR can be installed via NuGet Package Manager, by downloading DLLs directly, or using a Windows Installer for offline or enterprise deployment.

How do I add the downloaded IronOCR DLLs to a Visual Studio project?

Extract the downloaded IronOCR zip file, open your Visual Studio project, right-click Dependencies, select Add Reference, browse, and select all DLL files.

What steps are involved in using the IronOCR Windows Installer?

Launch the installer executable, accept the license agreement, follow the installation wizard, review the installation information, and finish to integrate the OCR engine into your Windows project.

Why might developers prefer the Windows Installer method for IronOCR?

The Windows Installer is useful for manual installation in offline environments or when deploying IronOCR across enterprise systems as it includes all necessary DLLs for integration.

Kye Stuart
Technical Writer

Kye Stuart merges coding passion and writing skill at Iron Software. Educated at Yoobee College in software deployment, they now transform complex tech concepts into clear educational content. Kye values lifelong learning and embraces new tech challenges.

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Install with NuGet

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PM > Install-Package IronOcr
nuget.org/packages/IronOcr/
  1. In Solution Explorer, right-click References, Manage NuGet Packages
  2. Select Browse and search "IronOCR"
  3. Select the package and install
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Version: 2026.9

or download Windows Installer here.

  1. Download and unzip IronOCR to a location such as ~/Libs within your Solution directory
  2. In Visual Studio Solution Explorer, right click References. Select Browse, "IronOCR.dll"

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