Check your inbox for the first in a series of emails guiding you through your Force.com 30-day free trial. It explains how to get started building applications on the Force.com cloud platform.
 
Check Your Inbox
Log in to Force.com
Test Drive the App
Your free trial includes free membership in the Force.com developer community. Here you'll find all the educational resources, tools, documentation, and content you need to take full advantage of Force.com.