How to fix this compile error

01/01/2019 18:24 bsryeah#1
source\WorldServer\StdAfx.h(24): fatal error C1083: Cannot open include file: 'd3d9.h': No such file or directory

d:\vs\Vc7\PlatformSDK\Include\WinNT.h(104): warning C4005: 'POINTER_64' : macro redefinition

source\Neuz\StdAfx.h(40): fatal error C1083: Cannot open include file: 'D3D9.h': No such file or directory
01/01/2019 18:58 Lindanus#2
Cannot open include file: 'd3d9.h': No such file or directory