Gaussian 16 Software Download ~upd~ Jun 2026

Existing customers with a valid support/maintenance contract can upgrade to Gaussian 16. In this case, you log into your account and download the version appropriate for your operating system (Linux, Windows, macOS).

Complete Guide to Gaussian 16 Software Access and Installation gaussian 16 software download

| Software | License | Key Features | |----------|---------|---------------| | | Academic free (non-commercial) | DFT, MP2, CCSD(T), spectroscopy, very fast. | | NWChem | Open source (ECL 2.0) | Scalable to thousands of cores, periodic DFT. | | Psi4 | Open source (LGPL) | Python-driven, modern DFT, post-HF methods. | | PySCF | Open source (BSD) | Best for developers; supports electron correlation and SCF. | | CP2K | Open source (GPL) | AIMD, hybrid QM/MM, excellent for large systems. | | | NWChem | Open source (ECL 2

To help you get started with your computational chemistry workflow, tell me: | | CP2K | Open source (GPL) |

Before downloading the large installation files, ensure your hardware is compatible: Operating Systems : Support for 64-bit Windows, Linux, and macOS. : At least 2GB per core is recommended for standard jobs.

Before you proceed with any download, ensure your hardware and OS are compatible. Below are the recommended systems for different usage levels.