Remember the fact that directx has backward compatibility – when you have directx 12, all the previous runtime distributions ought to be present in your machine. The same is going for directx 11 and directx 10. But, some legacy games need older directx apis that are on the grounds that out of date on home windows 10 and may best be determined on directx 9.
You can download
dx11 feature level 10.0 from here.