Getting Started with Git and GitHub

here is the link:
https://www.codecademy.com/paths/computer-science/tracks/cspath-development-skills/modules/learn-git-git-workflow-u/articles/f1-u3-git-setup

*So i cant seem to get figure this out. I am in the steps of “Windows Users” and cant seem to get step #4


I already installed Gitbash and have a github account, but the rest when it comes to setting up my local computer for HTTPS I have not Idea, and caching my password.