Your MUST be a STEM Student or Faculty for this to work.
Need help downloading Microsoft Project
Start at the new Azure Dev Tools for teaching site and login with your WSU Email Address and Password
The first time you login you will have to accept their EULA
Once on the main page, click on Software on the left:
You should find Project Professional 2016 on the list.
When you click on it you should have a View Key button to view the Product Key and a Download button at the bottom to download the installer