A 32 but integer can store a number up to four billion. If measuring RAM size in integer bytes, 32GB would be 0 bytes, because that integer would wrap around four times.
Assuming windows, if you right click on the executable, you may be able to choose to run it in a compatibility mode of some sort (like XP mode or something) in which case it should report smaller memory to the game, probably.
It begins. Fascism requires enemies within and without.