It is quite easy to check the support of the graphics card for the new DirectX 12 on Windows 10!
You definitely needs an downloaded latest drivers from the manufacturer's website (NVIDIA, ATI), but in general, most graphics cards that support DirectX 11 supports also the new DirectX 12 in Windows 10.
If you want to check on the Windows 10 is DirectX 12 already supported, you can find this fairly quickly. But as I said, it's a driver issue.
To check the DirectX support in Windows 10, please start the DirectX Diagnostic Tool, which is already known from the old Windows operating systems.
The quickest way to start the DirectX Diagnostic Tool with the key combination [Windows Logo + R] and the command dxdiag, then simply click the Display tab Now you can use the feature layers in the group box driver see.
(... see Image-1 Arrow-1,2 & 3)
Under the System tab, see the currently installed version of DirectX on Windows 10, it is of course the DirectX 12.
(... see Image-2 Arrow-1)
See also: Restart shortcut for Windows 10 || find Experience Index / PC rating in Windows-10 || Windows 10 Home or Pro
In this case, DirectX 11.0,10.1,10.0,9.3,9.2,9.1 supported by my NVIDIA GeForce GTX 750 Ti, but NVIDIA is a DirectX 12 driver release for the GTX series, so is the DirectX 12 on Windows 10 posible with the new driver for Windows.
FAQ 15: Updated on: July 18th 2015 11:35