Regardless of if you have Git installed or not, GitHub Desktop offers a simple collaboration tool for Git. With GitHub Desktop, you get a command line version of Git with a robust GUI. Installing GitHub Desktop will also install the latest version of Git if you don't already have it. If it's an unknown command, read further and find out how to install Git. The output will either tell you which version of Git is installed, or it will alert you that git is an unknown command. Once you've opened your terminal application, type git version.
To see if you already have Git installed, open up your terminal application. In fact, Git comes installed by default on most Mac and Linux machines! Checking for Git
Git can be installed on the most common operating systems like Windows, Mac, and Linux.
