Installation Guide

(1) If you do not yet have a license code, first review the Feature List, and then obtain a code from one of the license pages below.

FREE edition
STUDENT Edition
PROFESSIONAL Edition
PROFESSIONAL Edition (Trial)

(2) Download winmostar0_setup_X.X.X.exe from the Download page, save it in any folder, and double‑click it to start the installer. (X.X.X is the version number.)

(3) On 64‑bit Windows, choose whether to install the 64‑bit or 32‑bit version of Winmostar. For most users, we recommend the 64‑bit version.

(4) Select the installation folder (C:\winmos11 as default) and start the installation.

If your security software shows a warning during installation, allow the installer and continue.
If an older version of Winmostar is already installed, you can either overwrite it or install the new version into a different folder so that both versions can be used.
When the installation finishes, Winmostar creates shortcuts in the Start menu and on the desktop.

(5) For a new installation, launch Winmostar and enter your license code in the dialog that appears at first startup.

(6) Install the solvers you want to use on Windows. See the links below for

GAMESS
FDMNES
NWChem, Quantum ESPRESSO, OpenMX, LAMMPS, GROMACS, Amber, and MODYLAS are included in the CygwinWM environment described in the next step.

(7) Install Cygwin environment for Winmostar.

(8) If necessary, configure your security software so that the Winmostar and Cygwin installation folders are excluded from real‑time scanning or blocking.

(9) To submit remote jobs, install the required solvers on the Linux server that will receive the jobs, using the links below.

NWChem, Gromacs, Amber
If the server does not have a job scheduler such as qsub, install Slurm.