NVIDIA now offers new version 344.65 WHQL-certified Windows drivers for GeForce graphics cards. As explained on the GeForce website, these are the drivers you want for the best experience with Assassin's Creed Unity in advance of tomorrow's North American release of the stealth/action sequel. Here's more on what they provide:

The new GeForce Game Ready Assassin's Creed Unity 344.65 WHQL drivers are now available to download automatically through GeForce Experience, and from GeForce.com. With performance enhancements and a SLI profile, the new GeForce Game Ready Assassin's Creed Unity drivers are a recommended update for players of the highly anticipated third-person action adventure game.

In addition to Assassin's Creed Unity support, our new drivers include all of the optimizations and improvements from our recent GeForce Game Ready Civilization: Beyond Earth & Lords Of The Fallen 344.48 WHQL and Call of Duty: Advanced Warfare 344.60 WHQL drivers, and of course, support for Dynamic Super Resolution (DSR) technology on GeForce GTX 400, 500, 600, 700 and 900 Series GeForce GTX graphics cards.