Multiwfn generates output files that can be visualized using VMD (Visual Molecular Dynamics), a free molecular visualization program. Together, Multiwfn and VMD enable the visualization of virtually all common physicochemical concepts and descriptors, including STM simulation data.
Multiwfn does not require a traditional "installation" wizard. Simply download the .zip or .tar.gz file and extract it to a dedicated folder.
For new users, the Windows version is highly recommended. It is the most stable, has the best graphical user interface (GUI) rendering, and requires almost no system setup.
Versions are typically listed chronologically. You will see entries like: