First, it's crucial to understand the status of iReport Designer. Officially, Jaspersoft announced that iReport would be and has completely ceased support for iReport since then. The last stable version of iReport was 5.6.0, released on May 28, 2014.
Finding older open-source software requires using trusted repositories to avoid malware. Official Sourceforge Repository jaspersoft ireport designer 4.0.1 download
On Linux/macOS, execute the ireport shell script from the terminal. Troubleshooting Common Errors iReport Splashes and Disappears on Startup First, it's crucial to understand the status of