When the GTX 980 and GTX 970 launched, they came with a new feature called DSR, better known as Dynamic Super Resolution. At the time, it was only available on those two Maxwell-based GPUs, but now it’s available on all Kepler- and Fermi-based graphics cards as well, via the 344.48 WHQL driver, which has now been listed for download on Nvidia’s website.
Dynamic Super Resolution is an anti-aliasing method that essentially renders the game you’re playing at a higher resolution than your display and then downsamples the result to make it fit on your screen. It is basically SSAA (Super Sampling Anti-Aliasing), but it’s programmed into the graphics driver.
The reason for DSR’s existence is that lots of game developers have opted not to include SSAA into the game engine or setting choices because it is very demanding. There are more efficient Anti-Aliasing techniques, but SSAA (or in this case DSR) is without a doubt the best looking, assuming you can take the performance hit.
Additionally, the driver also brings support for Lords of the Fallen, Civilization: Beyond Earth, and Elite: Dangerous.
You can find the 64-bit desktop driver on Nvidia’s website here, or you can download it through Nvidia’s GeForce Experience desktop software, which may already have notified you.