I have to be that person:

It is often recommended to install iReport directly under the C: drive to avoid permission issues with "Program Files".

Available as a standalone application or a plugin for NetBeans 1.2.1. Why Download iReport 4.0.1 in 2026?

for new projects. iReport is officially obsolete, and modern versions of Java or newer operating systems may experience performance lag or launch issues. maintaining a legacy system , or are you looking to start a new reporting project

For new projects, Jaspersoft Studio is recommended. For maintaining projects created before 2014, iReport 4.0.1 is likely required.

The official SourceForge repository for JasperReports remains the safest public archive for downloading legacy binaries.

iReport-4.0.1-windows-installer.exe (Self-installing executable)

Whether you are or starting a new setup