Fallout London V102iv233r7 Gog Install [portable] May 2026

Installing Fallout: London (FOLON) via GOG is generally more straightforward than on Steam, as the GOG version of Fallout 4: Game of the Year Edition

is already set to the compatible version (1.10.163.0) and does not require a manual downgrade. The version you mentioned, v1.02.IV.233.R7

, is part of the substantial "v1.02" patch cycle that addressed over 200 stability and quest-related issues. Prerequisites Owned Game : You must own Fallout 4: Game of the Year Edition : Ensure at least of free space on a high-speed SSD. : The game must be installed in for the mod to function correctly. fallout london v102iv233r7 gog install

install the "High Resolution Texture Pack" DLC, as it causes instability. Installation Steps (GOG Galaxy) Fallout: London on GOG.com

3.1. Official GOG Installation

The official release of Fallout: London is unique because it is a total conversion mod that requires the GOG version of Fallout 4 (specifically the "Game of the Year" or "Next Gen" compatible edition). Installing Fallout: London (FOLON) via GOG is generally

• Mechanism: Users claim the mod via a standalone product page on GOG.
• Installation: The GOG Galaxy client handles the installation, ensuring the underlying Fallout 4 files are correctly patched to run the total conversion.
• Outcome: The user receives a clean installation with official version numbering.

Option B – Manually downgrade

If you already have the next-gen version installed:

1. Uninstall Fallout 4 via GOG Galaxy.
2. Delete %LOCALAPPDATA%\Fallout4 and Documents\My Games\Fallout4.
3. Reinstall using the Classic installer from GOG.

Step 4: Configure and Launch

1. Delete Documents\My Games\Fallout 4\Fallout4.ini and Fallout4Prefs.ini – FOLON will regenerate them.
2. Open GOG Galaxy → Fallout 4 → Settings → Manage Installation → Configure Executables.
3. Add a new executable:
   • Name: Fallout London
   • Path: Fallout4.exe (in the game folder)
   • Arguments: -forcelargeaddressaware -cpucount=4 (adjust CPU count to your cores)
4. Set this as default.
5. Launch via GOG Galaxy – first boot takes 2–5 minutes (shader compilation).

Verifying a Successful Installation

Once you are in the game, how do you know you have the correct version? Mechanism: Users claim the mod via a standalone

• Main Menu: Should say "Fallout London" with a picture of Big Ben.
• Train Start: The game begins on the Westminster Underground train, not Vault 111.
• Console Command: Hit tilde (~) and type getF4SEVersion. It must return 0.6.20 or higher.
• Version Check: In the pause menu, look for "v102iv233r7" in the lower-left corner.

4. Run the installer

• Point it to your GOG Fallout 4 folder (e.g., C:\GOG Games\Fallout 4).
• The installer automatically backs up vanilla files to Fallout4_OriginalBackup_GOG/.
• Checkbox: “Add GOG registry keys” – enable (critical for script extender).

Step-by-Step: GOG Install for Fallout: London v1.02 (iv233r7)

Recommended Tuning for v1.02iv233r7

• High FPS physics fix: Install High FPS Physics Fix mod (FOLON-compatible version).
• Buffer settings: Add to Fallout4Custom.ini:

  [General]
  uExterior Cell Buffer=36
  [Display]
  iPresentInterval=1
  

2.1. Official Versioning

The Fallout: London development team utilizes standard semantic versioning (e.g., v1.0, v1.0.1).

• Initial Release: v1.0.0.0 (July 25, 2024).
• Hotfixes: Subsequent updates generally follow the 1.0.X format.
• GOG Integration: On GOG, the mod appears as a standalone product entry ("Fallout: London"). The GOG installer typically manages the version internally, often listed simply as the "Release Version."