The following tutorial, by Function1's Michael Crawford, takes you step by step through the process of installing WebCenter Sites 12c from scratch, including installing Oracle Fusion Middleware 12c Infrastructure, and then Sites itself. You will be guided through each step with screenshots of the entire process.
Login as oracle user
Files are on desktop
They can be downloaded at:
http://www.oracle.com/technetwork/middleware/webcenter/sites/downloads/index.html...