I have updated through steam which is just the 500 or megabytes for the launcher but didn't get any downloads ingame. I did check the Content Manager and checking all boxes prompted a 5 gig download. Game crashed as it was working that out though. Launched a second time and that triggered the download. So if you're having trouble probably try to relaunch a few times or try updating the content manager packages. You should be downlaoding about 15 gigs on the launch page normally. In my case i have the premium deluxe.