Fallout: London is available for free on GOG.com.It’s as simple as creating an account for GOG and adding Fallout: London to your GOG library. You can either use the GOG Galaxy App to download our installer OR You can manually download Fallout: London from the GOG website DRM free. Instructions for installation are included in the installer. A requirement for you to play and install Fallout: London is for you to own Fallout 4 and all of its DLCs or the Game of the year edition on GOG or Steam. (Fallout 4 – High Resolution Texture Pack is not a requirement)Ensure you are using the pre next gen version (Notes below). Currently it is a requirement that if you own the game on Steam, for you to downgrade Fallout 4 to the pre next gen (Fallout 4 1.10.163.0) release of the game. Instructions on downgrading your game are included in the downgrader tool.You can get our downgrader from the Nexus Mods site here: This mod page also features the Fallout: London addons folder which includes various goodies.Such as recommended mods, special ESMs required to create mods for Fallout: London and more. Here’s our recommended installation steps of Fallout: London: (Click on the text below to expand the instructions) For advanced users only: It is possible to manually install Fallout: London and manually downgrade Fallout 4.This will give you some advanced control over your Fallout: London installation.