It's great that you found a driver update that has improved performance for you in games like GTAIV. Installing unofficial drivers can sometimes provide performance enhancements or bug fixes before they are officially released. Here are a few things to consider when using unofficial drivers: 1. Risk Factor: Unofficial drivers may not have undergone the same level of testing as official releases, potentially leading to compatibility issues or instability. 2. Performance Gains: Unofficial drivers can sometimes offer performance benefits in certain games or applications, as you've experienced with GTAIV. 3. Caution: It's always good to exercise caution when installing unofficial drivers. Make sure to back up important...