If you are a student, faculty member, or researcher at a university, your institution likely already holds a site license.
While Gaussian 16 is a commercial software, there are some possible ways to access it for free or at a reduced cost: gaussian 16 software download free
(and upwards of $12,000 for commercial users), most users access the software through the following channels: If you are a student, faculty member, or
You must purchase a license directly from Gaussian, Inc. . If you are a student