You can use jd-gui on Kali with just two steps.
- Download jd-gui repo for Kali from : Kali Git Repositories .
- Unzip the repository. You can see the jd-gui-1.4.0.jar. Just run the jar file from command prompt.
unzip <path to jd-gui-917bcbf.tar.gz>
java -jar <path to jd-gui-1.4.0.jar>
Cheers !!! 🙂