$ sudo apt-get update
$ sudo apt-get install libdebian-installer4 

libdebian-installer4 is installed in your system.

Make ensure the libdebian-installer4 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libdebian-installer4 *

You will get with libdebian-installer4 package name, version, architecture and description in a table

libdebian-installer4 package basic information: