Dont even try to install dx10 since your videocard DOES NOT support it, hence it wont work.
Try to play the game in dx9. It isnt that much slower.
Tick native in the gsdx window and apply speedhacks in the settings.
First try it without using the sliders. If its not enough, try yousing the slider on the left, but only put it in the middle.( Never all the way to the right cause it will cause lagg and other problems.)
If its not helping at all try the right one, but its not that reliable so dont use it if its unnecesarry.
Good luck.
Try to play the game in dx9. It isnt that much slower.
Tick native in the gsdx window and apply speedhacks in the settings.
First try it without using the sliders. If its not enough, try yousing the slider on the left, but only put it in the middle.( Never all the way to the right cause it will cause lagg and other problems.)
If its not helping at all try the right one, but its not that reliable so dont use it if its unnecesarry.
Good luck.