For our first example, we're redeeming a copy of The Bourne Legacy that we bought on Blu-ray.
(We're using a VPN to pretend we're in the US, as UltraViolet isn't officially launched here yet. We're also using a US version of the Blu-ray.)
We got to this website by typing in the address that was displayed on the slip of paper inside the Blu-ray disc case's front cover.
Once you get to this page, enter the unique 12- or 16-digit code in the box.