Asking for directx 9.0b

[VoltMates]

I install the game and open it, it runs fine, i install the mod and chimera and it is asking for directx 9.0b i already have directx and its kind of hard to downgrade since its supposed to be backwards compatible.

[HoriZon-HZN]

Try -windowed at the end of the shortcut eg: C:\Games\HaloVR\halo.exe -windowed

[VoltMates]

Try -windowed at the end of the shortcut eg: C:\Games\HaloVR\halo.exe -windowed

I tried doing this and it has given me the same error :'(