I recently got confused a bit about updating DirX. So far I lived in the belief that DirX10 and 11 are downward compatible and so when you run update DirX you automtically get the highest and latest version of DirX, even if you need just DirX9 for compatability with your games . But some readings today gave me the idea that I may be wrong there, and that actually you could end up needing to have DirX 9, 10 and 11 installed parrallel to each other, and update each of them?
