: Requires an AMD64 or Intel64 processor running 64-bit Windows 7, 8, 10, 11, or Windows Server 2012/2019. It needs at least 2 GB of RAM and roughly 3.5 GB of disk space (1.5 GB for the program and 2 GB for scratch space).

The only fully legitimate and guaranteed secure source for versions of Gaussian software is Gaussian, Inc. itself.