WHAT IS PIP?
Pip is a package management system used to install and manage software packages written in Python
For complete set of commands please refer official documention https://pip.pypa.io/en/stable/

NOTE: Run PIP commands in Console-Launcher
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If PIP command 

** To install Package
pip install <package name>

Eg: to install "pyqt5" run
pip install pyqt5

** To upgrade PIP
pip install --upgrade pip

** To list installed packages
pip list

** To list outdated packages, and show the latest version available
pip list --outdated

** To Search for Packages
pip search "query"

** To Uninstall Packages
pip uninstall <package name>
