While you cannot "free download" the full game legally, if you already own it on Steam, you can revert or "downgrade" to this specific version for free using built-in developer tools.
These requirements remain consistent with the original PC release as this version predates the major "Next-Gen" graphical overhaul. Fallout 4 System Requirements/Specifications (PC) Fallout 4 Free Download (v1.10.163.0)
: If you own the Steam version, you can force a download of the older version's files: Open your browser and type steam://open/console . While you cannot "free download" the full game
: Community-made tools like the Fallout 4 Downgrader on Nexus Mods automate this process for you. System Requirements (v1.10.163.0) Fallout 4 Free Download (v1.10.163.0)