FIX: d3dx9_31.dll is missing The Sims 3 or GTA 4

This video will show you how to download d3dx9_31.dll for Sims 3 or GTA 4 Windows 10/8.1/7. If when trying to launch Sims 3 or GTA 4 game you receive an error: The program can’t start because d3dx9_31.dll is missing from your computer, below there’s a simple instruction on how to download the file, fix the error and get the game running on Windows 64-bit or 32-bit. d3dx9_31.dll for Sims 3 d3dx9_31.dll sims 3 error d3dx9_31.dll sims 3 erro d3dx9_31.dll the sims 3