Microsoft yesterday confirmed that DirectX 12 will be coming as part of Windows 10. They have enhanced their graphics technology to squeeze every ounce of performance out of your supported hardware and open up a new wave of innovation for high-end graphics.
Delivering greater complexity and detail on your current PC, games authored or updated for DirectX 12 are able to run faster and have richer visuals.
Microsoft is already working with developers for DirectX 12 based games. Also, the engines used to power hundreds of games are implementing DirectX 12, including Unreal Engine 4 from Epic and Unity.