Welcome to Part 4 of this series that shows how to start contributing modules and themes to Drupal.org.

In previous parts of this series, we talked about the different ways in which you can contribute to Drupal, setting up your project and configuring Git. 

• Part 1: Getting Started
• Part 2: Starting a Sandbox Project
• Part 3: Git Configuration 

Now we need to connect to our sandbox and test that it is working properly. To do this you need an SSH Key. If you're unsure about this, watch our class on SSH Keys.