$ sudo apt-get update
$ sudo apt-get install libpurple-bin 

libpurple-bin is installed in your system.

Make ensure the libpurple-bin package were installed using the commands given below,

$ sudo dpkg-query -l | grep libpurple-bin *

You will get with libpurple-bin package name, version, architecture and description in a table

libpurple-bin package basic information: