This is the true "offline install" scenario. You will download the package on an internet-connected computer, then transfer it via USB to the isolated workstation.
If you actually need an academic-style research paper, please clarify: enscape 3d 42188 offline assets install
I can then write a custom paper with a hypothesis, methodology, and analysis. Let me know how I can refine this for your needs. This is the true "offline install" scenario
In older versions of Enscape (3.4 and earlier), users could download a massive ZIP file containing the entire asset library and extract it to a local folder. If you actually need an academic-style research paper
This functionality has been removed in newer versions.