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• Create Date 07/08/2023
• Last Updated 10/06/2025

Call Of Duty 4 Installer

Call of Duty 4: Modern Warfare (CoD4x Edition) - Installation and Play Guide

Welcome, Recruit, to the modern battlefield! This README will guide you through the installation process for Call of Duty 4: Modern Warfare, including necessary patches and the CoD4x client, and provide essential information on how to play and adjust settings.

Installation Guide
The installation process for this version of Call of Duty 4: Modern Warfare involves a few crucial steps to get you up and running with the CoD4x client.

Run the Main Installer (Install CoD4.bat):

Locate the batch file named Install CoD4.bat in your game directory.
Right-click on Install CoD4.bat and select "Run as administrator." This is vital for the installation to complete successfully and for the game to function properly.
Random Key Code Generation: During this installation process, the batch file will generate and display a random key code. This key code is necessary for the game's initial setup and multiplayer. Make sure to write it down or copy it somewhere safe when it appears on the screen. You will need it later.
Follow any on-screen prompts to complete the base game installation.
Install Game Patches (v1.6 and v1.7):

After the base game is installed, you MUST install the official patches to update your game to version 1.7, which is required for CoD4x and most online servers.
Look for patch files named something like CoD4MW-1.6-Patch.exe and CoD4MW-1.7-Patch.exe (or similar).
Run each patch executable sequentially (1.6 first, then 1.7) as an administrator. Follow their on-screen instructions.
Install CoD4x Client:

The CoD4x client significantly enhances the game, particularly for multiplayer.
Locate the CoD4x folder within your main game directory (it should be alongside iw3mp.exe and iw3sp.exe).
Inside the CoD4x folder, you will find an installer batch file, typically named install.cmd or CoD4x_Installer.bat.
Right-click on this batch file and select "Run as administrator."
Follow any prompts from the CoD4x installer. It will integrate the CoD4x client files into your game.

About the Game
Call of Duty 4: Modern Warfare revolutionized the FPS genre by shifting the series from its traditional World War II setting to modern-day combat. It delivers an intense, cinematic single-player campaign and introduced a groundbreaking multiplayer experience that set new standards for competitive online shooters.

Cinematic Single-Player Campaign: Experience a gripping story from the perspectives of a U.S. Marine and a British S.A.S. commando, fighting across various global hotspots.
Groundbreaking Multiplayer: The multiplayer mode introduced a robust progression system, customizable loadouts, killstreak rewards, and a ranking system that became a staple for future FPS games.
Modern Arsenal: Wield a vast array of authentic modern weaponry, attachments, and tactical gear.
Fast-Paced Combat: Engage in fluid, responsive gunfights with a focus on quick reflexes and tactical positioning.

About CoD4x
CoD4x is a community-driven client and server modification for Call of Duty 4: Modern Warfare. It aims to fix long-standing bugs, enhance gameplay, and provide crucial features for a modern multiplayer experience:

Modern Server Browser: Replaces the deprecated official master server, allowing you to find and connect to thousands of active community servers.
Bug Fixes & Security: Addresses various crashes, exploits, and bugs present in the original game.
Anti-Cheat: Integrates improved anti-cheat measures to provide a fairer playing environment.
Over-the-Air Updates: Features its own in-game updater, allowing for easy client updates with a few clicks.
Improved Compatibility: Offers better support for modern operating systems and hardware.
Additional Features: Includes quality-of-life improvements, new server-side functionalities, and enhanced modding capabilities.

Adjusting Settings
To optimize your Call of Duty 4: Modern Warfare experience:

Launch the Game: Start Call of Duty 4: Modern Warfare using StartGame.bat.
Options Menu: From the main menu, navigate to the "Options" or "Settings" menu (or "Multiplayer Options" if you're in the multiplayer menu).
Graphics Options:
Resolution: Set this to your monitor's native resolution for the sharpest image.
Aspect Ratio: Ensure this is set correctly (e.g., "Automatic" or "Widescreen 16:9") to avoid a stretched image.
Texture Quality, Shadow Quality, Anti-Aliasing, Anisotropic Filtering: Adjust these to balance visual fidelity with your system's performance. Lowering them can significantly improve frame rates.
V-Sync: Toggle this on or off to prevent screen tearing; turn it off for competitive play if you have a high refresh rate monitor.
Audio Options:
Volume Controls: Adjust master volume, music volume, and sound effects volume. Positional audio is critical for hearing enemy footsteps and gunfire.
Controls Options:
Mouse Sensitivity: This is paramount for precise aiming in an FPS. Experiment extensively to find your comfortable setting.
Invert Mouse: Toggle if you prefer inverted Y-axis controls.
Key Bindings: Customize your keyboard and mouse controls for movement, weapon actions, grenades, and quick melee. Efficient hotkey usage is vital.
Multiplayer Options (if applicable):
Player Name: Set your desired in-game name.
Allow Console: Enable this if you want to access the in-game console (usually by pressing the ~ or ` key) for advanced commands or server connection.
Experiment with these settings to find what works best for your system and playstyle.

Starting the Game After Installation
After the entire installation and patching process is complete, the recommended way to start the game is by running StartGame.bat. You'll find this file in the main game directory.

For convenient access, we strongly advise creating a shortcut to StartGame.bat on your desktop.

Connect to LAN server:

Launch CoD4 Multiplayer
Go to the server browser and from the filters up top click "clear filter" and change "internet" to "Local" and mods to "yes"
If you do not see the local server on the network you can connect manually:
Under your game options make sure "Developer Console" is enabled
From the multiplayer server search screen hit tilde on your keyboard "~" (top left above tab, left of 1) to open up the console. If it doesn't open you may have to enable console in settings.
Type (without quotes: "Connect 192.168.1.25" Then press enter