Remember to restart the game after configuring your graphics and sound (see step 4 above). The GP4 Central version of GP4 is already patched with the Official v9.6 patch, the Decrypted No-CD exe and the latest version of GPxPatch. Option 2 - Download Grand Prix 4 from GP4 Central After this is completed, you should exit the game, and then restart the game. IMPORTANT! The first time you play GP4, you will be prompted to configure the graphics and sound. IMPORTANT! It is recommended to install (or extract) GP4 to your Home directory, not the default Program Files directory.
This article covers two different ways to correctly install GP4. GP4 Central's Information Page How to install Grand Prix 4
