The Keys to all of the Microsoft software which you have downloaded, are able to be seen under "Software" within the Azure for Education site. You can access to this site is through the link listed in the following documentation and you will authenticate using your network ID and network ID password.
Step by step instructions:
The direct link to Login to the Azure Education Portal is:
On the center-left side of the page you will see a "Software" option. Clicking that will take you to a list of all software available to you as a student.