Sign up for a free account at: https://cloud9academy.learnupon.com/users/sign_up
Once at the registration page, enter your email and a password that you want to use for the site.
After you fill in your information, click on the blue Register button.
You will then get an email from Cloud 9 Academy with a subject of "LearnUpon Confirmation Instructions". You must confirm the link from your email before you can log into the site.
Use this link to sign in to the Cloud 9 Academy after you have registered and confirmed you email: https://cloud9academy.learnupon.com/users/sign_in