Install dolphin4 by entering the following commands in the terminal:
sudo apt update sudo apt install dolphin4
Description:
file browser
Dolphin file browser, this kdelibs4 build is mainly for use with Konqueror. . This package is part of the KDE base applications module.
Homepage: http://www.kde.org/
Version: 4:16.04.3-0ubuntu1
Section: universe/kde