patch civ 5

How can i get a patch for my downloaded civ 5 game.
Since it’s not registered on steam, i doesnt auto-update.
And im looking for about 50 min now and i a havent found a single site that has this patch (1.0.0.20) for downloading.
Answer #1
yeah mate got the same problem, sick of research agreements stuffing up.
If you’ve found out anything new could you pm me?