To push an existing project to GitHub, you must first create a GitHub repository. To do this, simply click the green “Create repository” button in GitHub’s online console and provide a repository name ...

If that's the case, you'll need to use the git push --set-upstream command to link the new local branch to the remote repository. Alternatively, you could use a special Git setting to automatically ...

Now that you have your repository cloned to your local machine, add (or create) all the code you need for the repository into the new directory and issue the command: git add .

The GitHub CLI, unlike Git, can use your account login and password for authentication with the added bonus of then also allowing Git to push to your GitHub repositories.