i got error when i try to open swsro 1

hey guys can any 1 help me please?? when i run the swsro client there is an error say

"error directX is not installed or lower version DirectX 9.0b \n\n we need DirectX 9.0b or higher \n\n Redirect to DirectX download Web page"

can any 1 help me to fix this error please? thanks

go to the silkroad folder

right click on silkroad.exe --> properties --> compability --> change to windows xp SP3/2

anthony i love you thx :) :) :)