Adding a repository from your local computer to GitHub Desktop→
You can add any Git repository to GitHub Desktop, even if it's not a GitHub repository.
Adding an existing project to GitHub using GitHub Desktop→
You can add an existing Git repository to GitHub using GitHub Desktop.
Cloning and forking repositories from GitHub Desktop→
You can use GitHub Desktop to clone and fork repositories that exist on GitHub.
Cloning a repository from GitHub to GitHub Desktop→
You can use GitHub to clone remote repositories to GitHub Desktop.