I downloaded the game from gog galaxy 2.0. It doesn't let me install the 600mb update because it says I don't have enough disk space! When the SSD still has over 60gb left. So I download the update from the gog website. It's two files one is 1mb the other 600mb. But when I click on the .exe so I can install the update. I get a message saying that the game isn't installed and I need to install it!