Watch the video:
Timestamps:
0:00 - Explanation
0:18 - Download D3D12Proxy
0:49 - Locating ARMA Reforger files
1:08 - Copy D3D12 DLLs from Windows
2:09 - Rename D3D12 and import workaround files
2:39 - Note on playing ARMA Reforger DirectX 11 workaround
3:16 - How to uninstall workaround
Want to play ARMA Reforger on a computer that doesn’t support DirectX 12? This video covers a workaround to play the game on DirectX 11 GPUs, though it could be buggy. Do avoid servers with BattlEye, and play single-player. This is just for you to experience the game before upgrading your GPU.
D3D12Proxy: https://github.com/tuffee88/d3d12ProxyEdrDx11_0/releases/tag/v0.1