Installing MinGW

Download and install:
MinGW_gcc-4.3.3-tdm-1.rar

Download and install:
MinGW_gcc-4.3.3-tdm-1_libogg-1.1.4_libvorbis-1.2.3.rar

Download and install:
MSYS-1.0.11-rc-1.exe

To compile Duke3dw double click on makems.bat