Q: Who should I contact for any questions related to D3D12 on Windows 7?.Q: Windows 7 gamers cannot install D3D12 binaires due to invalid digital signature?.
Q: What about Windows 8 or Windows 8.1?. Q: Can I execute the Windows 7 version of D3D12.DLL on a Windows 10 machine?. Q: How does D3D12 on Windows 7 handle hardware with Feature Level 11_1?. Q: Do I need to update SDK to build D3D12 games for Windows 7?. Q: What limitations should I expect when porting D3D12 games to Windows 7?. Q: Do you support all D3D12 features on Windows 7?. Q: Can I build one single executable that works for both Windows 10 and Windows 7? And how?. D3D12 games must continue to run after gamers upgrade from Windows 7 to Windows 10. Package and release Windows 7 version of D3D12 binaries as part of your game. Optimize D3D12 Games Performance on Windows 7. Run Windows 10 SDK Layer in Windows 7 emulation mode. Disable features not supported on Windows 7. Remove unsupported fence usage patterns. Add new Present code path for Windows 7. 
Get D3D12 Games Up and Running on Windows 7.Have your D3D12 game up and running on Windows 10.Please read through this guidance document before your planning. The current draft is based on the latest D3D12 runtime bits (“3D12On7.1.1.0.nupkg”). This is a guidance document to help game developers port their existing D3D12 games from Windows 10 to Windows 7.
DirectX-Specs Porting D3D12 games to Windows 7 – Development Guidance
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