Not really sure. I downloaded the one that popped up when I tried to play the game, but each time I was met with this error message.
Fatal error: [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp] [Line: 853]
Rendering thread exception:
Fatal error: [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Windows/D3D11RHI/Private/D3D11Util.cpp] [Line: 198]
Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')
Unhandled Exception: 0xc0000027
0x00007ffaf8a74b89 KERNELBASE.dll!UnknownFunction []