How To Mod Fallout New Vegas On Steam 2025. Ya new vegas steam deck mod guide mods so i successfully installed modded new vegas on my steam deck, mostly following information found in the following guides:. Download the fnv 4gb patcher [www.nexusmods.com] manually and as verbatim to the mod page place the exe in your fallout new vegas game folder and run it as administrator it will patch the game and make a backup of the original executable.
Next is the hard part your going to have to put the mod into fallout all you have to follow this trail. New vegas, everything from small tweaks and aesthetic changes to additional quests and new characters to massive.
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