You need to download the from Microsoft. Even though Windows 7 comes with DirectX 11, this specific installer installs the missing DX9 files required by older games.
For Windows 7 64-bit, the "better" way to get DirectX 9 is by using the offline installer rather than the standard web installer . While Windows 7 comes with DirectX 11 pre-installed, it lacks many legacy DirectX 9 library files (specifically D3DX9 , XInput , and XAudio components) that older games require to launch. Why the Offline (Redistributable) Version is Better directx 9 download windows 7 64 bit better