Let me know 'how to play warcraft3 via DirectX 9'

Hi. I’m Korean.
So. I can’t speek English well but please understand me.
I’d like to know ‘how to play warcraft3 via DirectX9’
Before 1.32 version, can play via DirectX9.(use command line -nativefullscr or - graphicsapi Direct3D9)
But 1.32.1 version can’t use these command lines.
So 1.32.1 version work only via DirectX 11.
DX11 is raise problems. mouse lag and low fps. I can’t play game.
So this game must support DX9.
DX9 can solve all problems.
Please look this links. Pro gamers(Grubby and Happy) also use DX9.
youtu.be/yMfwrkP82SI?t=260
vk. com/wall-97914992_23532

You might be able to get by with DirectX9 for the Classic mode only, as long as other system components are not too out of date. However, Reforged mode requires DX11.

The command argument -graphicsapi direct3d9 should work. You can enter it right in the launcher here:

On a side note: if you attempt to install DX11 separately, if your GPU/drivers do not support it, then it will not get used. It will just default to the highest DirectX it can use.