Since there are no Win10 drivers for your motherboard at the OEM site and no video driver for Win8 there, either, I looked at the components, starting with the GPU, as you had specified you wanted DirectX 12. DirectX 12 came out five years after that motherboard of yours did (2010).
According to AMD, creators of the Radeon GPU on that board:
ATI Radeon™ HD 4000/ATI Mobility Radeon™ HD 4000, ATI Radeon™ HD 3000/ATI Mobility Radeon™ HD 3000, and ATI Radeon™ HD 2000/ATI Mobility Radeon™ HD 2000 Series Graphics reached peak performance optimization in October, 2013.
No additional driver releases are planned for these products.
The last operating system supported using the AMD drivers was Microsoft Windows® 8 with the AMD Catalyst 13.1 driver package, which can be downloaded from the AMD Driver page : [http://support.amd.com/en-us/download]
Driver support for these products under Windows® 8.1 and Windows® 10 is only available via Windows Update. **Please enable Windows Update to allow it to automatically detect and install display driver version 8.970.100.9001**
Therefore, if you want DirectX 12, you can install Windows 10 and see if it works, with Win-R CMD Enter dxdiag Enter If you don't have DirectX 12 after the Windows 10 install, and you really need it, try using the Windows 8 driver from AMD Support and play your game in Windows 8 compatibility mode. If that fails, you will need to install an add-in-card with a GPU which supports it; the least spendy of which is $18 at a large e-commerce site named after a river.