That's what I did. I downloaded V2.1 and the 3.1 and 4.0 updates. I extract 2.1 into a folder, extract 3.1 and copy the contents into the 2.1 folder, overwriting all, then extract the 4.0 into the same folder and overwrite all. The game splash screen says it's version 4 but when I play it I get an end of content screen after the hair salon. I'm not sure what I'm missing...