Objective
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Go to your web browser and search for "Java Run-time download"
Install either the Oracle Java version or the license free alternative OpenJDK
Download the latest version of your operating system
Workflow
Download the iReport installer URL: https://sourceforge.net/projects/ireport/files/iReport%20%28classic%29/iReport-3.0.0/
Choose to download iReport version 3.0
Save the installer file to your preferred folder on your computer. By default, it will be saved into your Downloads folder.
Double click on the downloaded installer file and follow the instructions to complete the iReport 3.0.0 Setup Wizard (Don't choose to run iReport at the end of the install process).
For the first time to launch iReport, if it is not already on your desktop. You can search iReport application faster by click on the windows windows icon and type in iReport.
Right click to the icon and pin it to the taskbar for quick access next time.