Click "Go to giveaway" or "Add to Library" to claim the mod for free (you must be logged in). 2. Install via GOG Galaxy Open GOG Galaxy and go to your . Select Fallout: London .
: Ensure you have approximately 65 GB of free space (30 GB for the base game and 34 GB for the mod). Step-by-Step GOG Installation Guide Installing FALLOUT: LONDON in One Click (GOG Version)
The process is complex but forgiving. Because GOG respects user choice regarding game versions, you avoid the major headache that plagues Steam users. By following this guide—specifically the downgrade to 1.10.163 and the manual iv233r7 hotfix—you will be riding the Tube, fighting the Smythe, and discovering the wonders of a nuclear Westminster in under two hours.
The installer usually handles this automatically, but you should verify it. Go to your Windows folder: Documents\My Games\Fallout4 . fallout london v102iv233r7 gog install
The GOG installer creates a standalone instance of the mod, allowing you to keep your vanilla Fallout 4 installation clean.
You need Fallout 4: Game of the Year Edition (GOTY) or the base game plus all official DLCs on GOG.
The installer will extract the mod files into a new folder, typically named Fallout London . Click "Go to giveaway" or "Add to Library"
Disable the High Resolution Texture Pack ; it is incompatible and causes crashes.
as an administrator. Choose the installation path to your Fallout 4 directory. Important Post-Installation Steps (f4se)
After the installation is complete, you can launch the mod directly from GOG Galaxy by clicking "Play" on Fallout: London . Importantly, for the GOG version, you should launch the game through the f4se_loader.exe manually. Select Fallout: London
The string v102iv233r7 deviates significantly from standard semantic versioning. The structure suggests the following possibilities:
Fallout: London is not just a mod; it is a total conversion modification for Fallout 4 that turns the iconic post-apocalyptic series into an immersive, new adventure set in the UK's capital. As of mid-2026, the project has matured significantly, with the patch being a crucial iteration for stability, performance, and gameplay flow.
Once the GOG download completes, open the Fallout: London page in GOG Galaxy and click to launch the dedicated FOLON installer.