Set up IronPDF using Windows Installer

Updated: August 2, 2026

Download and Run the Installer

Download the installer IronPDF Installer Package, and then run it.
Carefully read and accept the license agreement:
Follow the steps and then navigate to Install:
Once you've read the Information page, click Next to continue:
Click Finish to end the installation:

Modify Environment Variables on Windows 11

Remember that in order for Environment Variable modifications to take effect, you must restart the machine. The following steps should be automatically done by the installer by default, but if it does not work, you may need to do them manually:

Press Windows+R keys to open the "Run" program and type in sysdm.cpl into the "Open" field:
In the System Properties window that appears, navigate to the Advanced tab, and then click the Environment Variables... button:
In this section, you can add new and edit existing variables. User Variables are used when you want to change the environment variables for the current or specific user. System Variables are for system-wide variables.
Now let's create or edit the variable for IronPDF.
Set the Variable Name to IRONPDF_INSTALL_DIR. And set the Variable Value to C:\Program Files (x86)\IronSoftware\IronPdf:
Restart the machine for the Environment Variable changes to take effect.

Modify Environment Variables on Windows 10

On the Windows taskbar, right-click the Windows icon and select System.
In the Settings window that appears, navigate to Related Settings -> Advanced System Settings.
In the Advanced tab, find the Environment Variables... button:
In this section, you can add new and edit existing variables. User Variables are used when you want to change the environment variables for the current or specific user. System Variables are for system-wide variables.
Now let's create or edit the variable for IronPDF. Set the Variable Name to IRONPDF_INSTALL_DIR. And set the Variable Value to C:\Program Files (x86)\IronSoftware\IronPdf:
Restart the machine for the Environment Variable changes to take effect.

Frequently Asked Questions

How do I install IronPDF using the IronPDF Installer for .NET 10?

To install IronPDF using the IronPDF Installer for .NET 10, download the IronPDF Installer Package and run it. Follow the on-screen steps after accepting the license agreement and finish the installation.

What should I do if the environment variables are not set automatically by the IronPDF installer?

If the environment variables are not set automatically by the IronPDF installer, you can manually set them by accessing the System Properties and editing the Environment Variables. Set the 'Variable Name' to 'IRONPDF_INSTALL_DIR' and the 'Variable Value' to the directory where IronPDF is installed.

How can I modify environment variables on Windows 11 for IronPDF?

On Windows 11, press `Windows+R`, type `sysdm.cpl`, and navigate to the 'Advanced' tab in the System Properties. Click 'Environment Variables...' to add or modify the variables for IronPDF.

How do I reset the environment variables for IronPDF on Windows 10?

On Windows 10, right-click the Windows icon and select 'System'. Navigate to 'Advanced System Settings', click 'Environment Variables...', and set or edit the variable 'IRONPDF_INSTALL_DIR'. After making changes, restart your machine.

Why is it necessary to restart the machine after modifying the environment variables for IronPDF?

It is necessary to restart the machine for the changes made to the environment variables to take effect, ensuring IronPDF functions correctly with the new settings.

Can I edit both User and System Environment Variables for IronPDF?

Yes, you can edit both User and System Environment Variables for IronPDF in the Environment Variables window. User Variables affect a specific user, while System Variables apply system-wide.

Where should I set the IronPDF installation directory in the environment variables?

Set the IronPDF installation directory in the environment variables by assigning 'IRONPDF_INSTALL_DIR' as the 'Variable Name' and 'C:\Program Files (x86)\IronSoftware\IronPdf' as the 'Variable Value'.

What is the purpose of the IronPDF Installer for .NET?

The IronPDF Installer for .NET simplifies the installation process of IronPDF, providing an easy-to-use setup wizard to configure and set up the necessary environment variables automatically.

Curtis Chau

Chat with engineering team now

Technical Writer

Curtis Chau holds a Bachelor’s degree in Computer Science (Carleton University) and specializes in front-end development with expertise in Node.js, TypeScript, JavaScript, and React. Passionate about crafting intuitive and aesthetically pleasing user interfaces, Curtis enjoys working with modern frameworks and creating well-structured, visually appealing manuals.

...