From the update:
The new Quick Start Rules are now available in the Downloads section of our site.
These rules are streamlined and simplified version of the Infinity game system that will allow you to understand the basics of this game easily.
Once you have tested them, you will know the basic game mechanics and it will then be very easy to you to access the complete rules. With the complete ruleset you will have a greater variety of tactical and gaming possibilities, and you can enjoy Infinity in its totality.
The best way to begin with Infinity!