$ sudo apt-get update
$ sudo apt-get install isc-dhcp-client 

isc-dhcp-client is installed in your system.

Make ensure the isc-dhcp-client package were installed using the commands given below,

$ sudo dpkg-query -l | grep isc-dhcp-client *

You will get with isc-dhcp-client package name, version, architecture and description in a table

isc-dhcp-client package basic information: