Activation Key request process:
1) Create a Wolfram account (if you don't already have one):
(a) Go to http://user.wolfram.com and click "Create Account."
(b) Fill out form using a @cgps.org email, and click "Create Wolfram ID."
(c) Check your email and click the link to validate your Wolfram ID.
2) Request the download and key:
(a) Fill out this form to request an Activation Key
https://user.wolfram.com/porta
(b) Click the "Product Summary page" link to access your license.
(c) Click "Get Downloads" and select "Download" next to your platform.
(d) Run the installer on your machine, and enter Activation Key at prompt.