Git
Description
Git is a tool that we use to manage changes to our code. It allows to periodically save our code changes, and allows for easy collaboration with other programmers. A project using Git is called a repository, and repositories can be hosted on GitHub.
GitHub Desktop
GitHub Desktop is a graphical interface for Git. It allows you to easily commit changes to your code and push them to GitHub without the use of the command line.
To install GitHub Desktop, go see this page.
To learn about how to use GitHub Desktop, see this page.
Git Command Line
Git can also be used through the command line.
To install Git, download the installed from this page.
To learn about how to use Git Command Line, see this page.