If you are looking for Fallout 4 version 1.10.163 , you are likely a modder or a player trying to maintain compatibility with specific mods (like F4SE plugins). This version was the final update before Bethesda’s "Next-Gen" update (version 1.10.980 and higher).
Since the Next-Gen update bumped the version to 1.10.980 , many F4SE-dependent mods (Buffout 4, MCM, LooksMenu) are broken. Version 1.10.163 remains the "gold standard" for stable modded gameplay. fallout 4 version 1.10.163 download
That’s the pre-Next-Gen patch (the final stable modding version). You can’t download it directly from Steam anymore. If you are looking for Fallout 4 version 1