: The 64-bit version has no artificial RAM limits, whereas the 32-bit version is capped at 2 GB. How to Obtain and Install Gaussian 16

: Once you've obtained a license, you can download the software. The download will likely be an executable file that you run to start the installation process. Follow the on-screen instructions carefully.

: Familiarize yourself with the user manuals and tutorials available. Gaussian has extensive documentation and user guides that can help you get started.

Before starting, ensure your PC meets the G16W requirements :

If you're not ready to purchase, some software vendors offer free trials or demo versions: