You can download the most recent version from our GitLab page or using git:
git clone --recursive https://www.graphics.rwth-aachen.de:9000/OpenVolumeMesh/OpenVolumeMesh.git
OpenVolumeMesh is platform-independent and uses CMake as build system. With CMake it is pretty simple to set up the necessary makefiles (or project files) in order to build the project. Just follow the instructions given in the documentation.