Does installing DiretX 9 conflict with DirectX 11?

[crimson]

1. Bioshock wants me to install DirextX 9.0c. I was wondering if installing this will mess up DirectX11.

2. I'm using a DX10 video card so the Dx10 features on my DX10 games should work wil DX11 right?

 

[sup3rsprt]

1) No, it won't conflict.

2) DirectX 10 games will work fine.