$ sudo apt-get update
$ sudo apt-get install libapreq2 

libapreq2 is installed in your system.

Make ensure the libapreq2 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libapreq2 *

You will get with libapreq2 package name, version, architecture and description in a table

libapreq2 package basic information: