Gaussian 16 is commercial, proprietary software. It is not legally available for free download. The following write-up explains the official process, system requirements, and warnings about unofficial sources.

To download and prepare Gaussian 16 for Windows, follow these steps to secure a license, install the software, and format your first input text file. 1. Download and License Gaussian 16 is proprietary software and is not available for free download without a valid license. Acquire a License