In Moon 2009 movie, "Astronaut Sam Bell has a quintessentially personal encounter toward the end of his three-year stint on the Moon, where he, working alongside his computer, GERTY, sends back to Earth parcels of a resource that has helped diminish our planet's power problems." (imdb.org)
The Moon 2009 movie live free stream will be available online for free. Free live streaming sites will surely have it or better yet, wait for the release day in your respective country.
Watching Moon 2009 live stream free will not be as high quality as that of which you can have in the cinema, so it is your choice really. If you can't wait then watch it online.