Install libspice-client-gtk-3.0-5 by entering the following commands in the terminal:
sudo apt update sudo apt install libspice-client-gtk-3.0-5
Description:
GTK3 widget for SPICE clients (runtime library)
libspice-gtk3 provides gtk3 widget to show spice display and accept user input. . This package provide the runtime library.
Homepage: http://www.spice-space.org/
Version: 0.34-1.1build1
Section: universe/libs