Fallout: London is one the most hyped mods to ever come along, and after multiple delays, it’s finally possible for you to download and play it right now…provided you own the Steam or GoG version. This is a very big mod and while GoG has co-operated with the developers to make installing it nice and easy, the same can’t be said for Steam. To help you out, we’ll explain how to install Fallout: London on all available platforms so you can enjoy the team’s hard work. For the mod to work you need to own Fallout 4: GOTY Edition, meaning you have all the DLC. Assuming you do, here is how to play the mod on GoG: Install Fallout 4:GOTY Edition on GoG Galaxy Go to the GoG store and add Fallout: London to your library (it’s free) Install Fallout: London on GoG Galaxy Launch the game and follow the instructions That’s it! This is by far the easiest way to play Fallout: London, but if you already own Fallout 4 on Steam and don’t want to buy the game again, keep scrolling. This process may look quite complicated on the s