Thank you. Deleted the beta, but looked and it says "completed" and 21 gig installed when going the options / information route.Ya I missed this at first as well, makes no sense saying installed in notifications. For some reason the 18 gig file gets kicked down to a 300 mb file, so you DON'T have it installed even though it says installed. Go to the actual game launcher and click options>information to get how far along you are in the download process. And just delete the alpha/beta, they've said they don't do anything anymore.
Hopefully it is installed then, not that I can understand how it is unless I suddenly got industrial googlebit bandwidth, but here is hoping I don't have a broken install!