A package manager is a collection of tools which automates the process of
configuring, and removing software or settings in a consistent manner.
A package manager deals with packages, distributions of software and data in archive files.
Packages contain metadata, such as copyright/license, vendor, checksum,
description, version, requirements
and a list of dependencies for chained automatic installation which is nessesary for this software to run correctly.
TPS use the DNF Package Manager.
DNF Wiki: https://fedoraproject.org/wiki/DNF
Or read next pages of this Guide. We will give you all nessesary keys to do basic actions in a short form.