git clone https://github.com/NGSolve/netgen.git
CMake-GUI
Add source code directory
Add build directory
Configure
CMAKE_INSTALL_PREFIX -> set install directory, for example "D:/netgen/install"
OCC_DOWNLOAD_URL_WIN -> set path to occ_win64_cenos.zip
USE_GUI - disable
USE_PYTHON - disable
USE_OCC - enable
Generate
Open Project(Visual Studio)
select SUPERBUILD project, build SUPERBUILD
select INSTALL project, install INSTALL