I cannot inject .dll files

Hello When i try to inject games it says i need D3DX9_43 where can i download that please thank you so much (P.S i am using lord facington's hacks)

Place D3DX9_43 in your System32 folder.

this folder can be found in C:\WINDOWS\System32

Google or update DirectX
Place it in system32 folder.

thank you let's see what happens