Install xvnc4viewer by entering the following commands in the terminal:
sudo apt update sudo apt install xvnc4viewer
Description:
Virtual network computing client software for X
VNC stands for Virtual Network Computing. It is, in essence, a remote display system which allows you to view a computing `desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. . It is implemented in a client/server model. This package provides a vncclient for X, with this you can connect to a vncserver somewhere in the network and display its content in a window. There are vncservers available for other operating systems.
Version: 4.1.1+xorg4.3.0-37.3ubuntu2
Section: universe/net