To install and run the Jubula Extension Wizard you need:
Jubula 8.3.0 or later
Either the Eclipse IDE for Java EE Developers or for Eclipse Commiters, Version 4.5.2 (Mars.2) or later
The update site from efxclipse in your available update sites: https://download.eclipse.org/efxclipse/updates-released/3.6.0/site/
JDK 8.0
An internet connection to install the Wizard and to resolve the extension's target platform.