You can download it here:
- Windows Vista/7/8 32-bit
- Windows Vista/7/8 64-bit
The biggest performance gains can be achieved in Total War: Rome 2, NVIDIA claims you can get up to 71 better performance in SLI and 64 percent with single-GPU configuration. In other games the performance gains but it seems you can expect 10-20 percent on average in games like COD Black Ops 2, Sleeping Dogs, Aliens vs Predator, Sniper Elite, Thief and Battlefield 4.
We'll be waiting for some independent reviews to see if NVIDIA managed to open a can of whoop ass!