This license is intend to be used to build, test and debug software in a non production environment.
Below the steps with links and steps needed to download the software :
- IBM ID is needed (create one at this page if you don't already have one )
- Follow this link to download the server packages
- Follow this link To Download Designer, Notes and Admin clients
Right now Designer FP 9 is not available but IBM is working on this side.
IBM Community server license is a nice move to encourage new developers and students to learn and build applications easily.
I encourage you to read this post from Paul Withers to read more details and clarification.