Sign up for free Cloud9 developer workspace.
Click button :guilabel:`SIGN UP FOR FREE` at https://c9.io/site/pricing/
Enter your developer username
Enter your developer email address, and confirm it
Click button :guilabel:`Create your free account`
Read :guilabel:`Welcome to Cloud9! Please activate your account!` in your GMail
Click the link to activate your account
In the resulting webpage, enter your developer password and confirm it
Your Cloud9 workspace will display at https://c9.io/ALT-username
Click the page title to set your full name
In the :guilabel:`ADD-ON SERVICES` area, click the :guilabel:`activate` link for Github.
A new github App Authorization window will appear. Click button :guilabel:`Allow`.
Congratulations. Now you have a Linux workspace in the cloud, accessible to you from any computer with a web browser which supports HTML5. Repositories you create or fork on GitHub will be available to you from menu selection :menuselection:`PROJECTS ON GITHUB` at the left of your Cloud9 desktop.