How to Fix Lag in Forza Horizon 4 – BOOST FPS, FIX STUTTER

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A Performance Guide for Forza Horizon 4 FPS Boost, lag and stutter fix

If you are having Forza Horizon 4 lag issues or low FPS On Low End PCs,
this guide will help fix all fps drops and performance issues.

Game Info

  • Configuration file location : 

    %LOCALAPPDATA%PackagesMicrosoft.SunriseBaseGame_8wekyb3d8bbweTempStatescratchUser_PCLocalStorageDirectoryConnectedStorageForzaUserConfigSelectionsUserConfigSelections

  • Game Engine : ForzaTech

What May be causing you Performance Issues

CPU Settings

There are a few things you Should try first : 

Close up other programs (especially resource intensive programs like web
browsers).

Give Forza Horizon 4 High priority via task manager.

  1. Run Forza Horizon 4.
  2. Open Task Manager [CTRL+SHIFT+ESC].
  3. Switch it to the More details view by clicking “More details” button in the
    bottom right corner.
  4. Switch to the “Details” tab.
  5. Right click “Game.exe” on the list then “Set priority” then “High”.


Forza Horizon 4 Shortcut Optimizations

create a shortcut of Forza Horizon 4’s .exe file on your desktop.

1. Right click on it and press properties and the Compatibility tab.

2. check override high DPI scaling Behavior.

 3. check Disable fullscreen optimizations.

4. Finally, check Run this program as an administrator.

Update Your video card drivers

  1. Press Windows + R.
  2. Type “DxDiag” and click OK.
  3. Once the DirectX Diagnostic Tool finishes loading, select the Display
    tab.The video card’s name and manufacturer will be listed in the Device
    section.
  4.  The current driver version will be listed in the Driver section.
  5. Visit the website of the driver manufacturer to get the most up-to-date
    driver.

AMD Drivers

Nvidia Drivers

Intel Drivers

Issues fixed

Freezing and stuttering in Windows 10

Disable Game mode :

  1. Open the Settings menu by clicking the cogwheel icon in the start menu.
  2. Click on game settings
  3. Select the Gaming section of the settings menu.
  4. Navigate to the Game Mode section in the side bar.
  5. Click to toggle Game Mode on or off.


For Increasing FPS, fixing lag and stutter on all PCs

Install this custom made config file by me to fix all your performance issues
such as lag, stutter, and low FPS.

What low end PCs Config file do ?

Set game graphics lower than what is available in-game.

where is the Config file for Game located ?

%LOCALAPPDATA%Forza Horizon 4 SavedConfigWindowsNoEditor

How to install ?

Download the config, copy it to config file location, replace existing files if needed, enjoy! and if you get confused just follow the video tutorial above.

Download Config Files Here

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