- File > New Project > Version Control > Git. Set up a copy of the GitHub repository (local repository) in your own computer.
- Tools > Version Control > Pull Branches. Before you start to make any changes, make sure the file version in your computer is the most up-to-date. To do so, you will need to pull branches from the GitHub repository.
- Tools > Commit…. Any time you make changes, you need to commit or save changes to your local repository. Add a descriptive commit message in case you ever need to go back to a certain version.
- Tools > Version Control > Push Branch. After you commit, you will need to push the changes, or upload changes to GitHub.