Directx 9 Free Download -

Optimizes your graphics card, sound card, and input devices (like controllers). Installation Steps

Visit the official Microsoft DirectX 9.0c End-User Runtime page. DirectX 9 Free Download

Installing DirectX 9 will not overwrite newer versions (DirectX 11 or 12) already on your system; they coexist. Optimizes your graphics card, sound card, and input

If using the offline version, run the .exe to extract files to a temporary folder. Optimizes your graphics card

Find and run dxsetup.exe within that folder to start the installation.