Early last month, we got our very first peek at OS X Yosemite at the Worldwide Developers Conference in San Francisco. Just eight weeks later, Apple is now preparing to roll out public access to the latest beta of OS X 10.10. Are you interested in trying out Apple's latest and greatest operating system for yourself? Well, you're in luck because it's incredibly easy to sign up for the beta, and it won't cost you a dime.