Call of Duty: Modern Warfare 3

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Call of Duty: Modern Warfare 3
Call of Duty: Modern Warfare 3 cover
Infinity Ward
Sledgehammer Games
macOS (OS X) Aspyr Media
OS X Aspyr Media
IW 5.0
Release dates
Windows November 8, 2011
macOS (OS X) May 20, 2014
Call of Duty: Modern Warfare 3 guide on StrategyWiki
Call of Duty: Modern Warfare 3 on MobyGames
Call of Duty: Modern Warfare 3 on Wikipedia


The macOS (OS X) version of this game does not work on macOS Catalina (version 10.15) or later due to the removal of support for 32-bit-only apps.
Call of Duty: Modern Warfare
Subseries of Call of Duty
Call of Duty 4: Modern Warfare 2007
Call of Duty: Modern Warfare 2 2009
Call of Duty: Modern Warfare 3 2011
Call of Duty: Modern Warfare Remastered 2016
Call of Duty: Modern Warfare 2019
Call of Duty: Modern Warfare 2 Campaign Remastered 2020

General information

Official Call of Duty series site
Call of Duty Wiki - A detailed wiki for every Call of Duty game made.
Steam Community Discussions


Source DRM Notes Keys OS
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2 DVD's
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macOS (OS X)
Green Man Gaming
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macOS (OS X)
Mac App Store
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macOS (OS X)
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macOS (OS X)
All Windows versions require Steam DRM.

DLC and expansion packs

Name Notes
Content Collection 1 Contains Content Pack 1, 2 and 3.
macOS (OS X)
Content Collection 2 Contains Content Pack 4 and 5.
macOS (OS X)
Content Collection 3 Contains Content Pack 6, 7 (Spec Ops portion) and 8.
macOS (OS X)
Content Collection 4 Contains Content Pack 7 (Multiplayer portion) and 9.
macOS (OS X)
DLC for the game consists of 9 Content Packs (each combining 24 Content Drops). See the Wikipedia article for details

Essential improvements[edit]


Skip intro videos[edit]

Edit config file[citation needed]
  1. Go to the configuration file(s) location.
  2. Open config.cfg.
  3. Change seta intro "1" to seta intro "0"
  4. Save the file.

Game data[edit]

Configuration file(s) location[edit]

System Location
Windows <path-to-game>\players2\*.cfg[Note 1]
macOS (OS X)
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/115300/pfx/[Note 2]
config.cfg is for single player, config_mp.cfg is for multi-player

Save game data location[edit]

System Location
Windows <path-to-game>\players2\save[Note 1]
macOS (OS X)
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/115300/pfx/[Note 2]

Save game cloud syncing[edit]

System Native Notes
Steam Cloud
Multiplayer and co-op only.

Video settings[edit]

General Video settings.
General Video settings.
Advanced Video settings.
Advanced Video settings.

Graphics feature State WSGF Notes
Widescreen resolution
Set Image Quality to Native (all other options including Extra are 720p upscaled) & use Flawless Widescreen/Widescreen Fixer.
Set Image Quality to Native (all other options including Extra are 720p upscaled) & use Flawless Widescreen/Widescreen Fixer.
Image is stretched. Set Image Quality to Native (all other options including Extra are 720p upscaled) & use Flawless Widescreen/Widescreen Fixer.
4K Ultra HD
Does not work with in-game fullscreen enabled
Field of view (FOV)
65°; see Field of view (FOV).
Borderless fullscreen windowed
Anisotropic filtering (AF)
Change r_texFilterAnisoMin and r_texFilterAnisoMax in the config files
Anti-aliasing (AA)
Up to 4x MSAA
Vertical sync (Vsync)
60 FPS
120+ FPS
Multiplayer has a 91 FPS cap (use BetterCOD to fix).
Color blind mode
Set in Options; changes colors for player names.

Field of view (FOV)[edit]

List of FOV changers[citation needed]

Input settings[edit]

Keyboard and mouse State Notes
Mouse acceleration
cl_mouseAccel in the config. Off by default.
Mouse sensitivity
sensitivity in the config.
Mouse input in menus
Mouse Y-axis inversion
Controller support
See the glossary page for potential workarounds.

Audio settings[edit]

Audio settings.
Audio settings.

Audio feature State Notes
Separate volume controls
Surround sound
Manually set up to 5.1.
Closed captions
Mute on focus lost


Language UI Audio Sub Notes
Fan translation, link #1, patch for link #1, link #2.
Only available in Japanese retail release.
Retail CD Key gives subscription exclusive to single language.[1]
Only available in Polish retail release.
Retail CD Key gives subscription exclusive to single language.[2]
Only available in Russian retail release.
Retail CD Key gives subscription exclusive to single language.[3]
Fan translation. Details missing—please edit this page and add it.


Self-hosted servers are available through the Steam client's server browser or the in-game server browser found under the Servers menu.
Voice chat settings.
Voice chat settings.
In-game Chat bindings.
In-game Chat bindings.
In-game Dedicated Server options.
In-game Dedicated Server options.

Multiplayer types

Type Native Players Notes
LAN play
Online play

Connection types

Type Native Notes
Use iw5mp_server.exe (configure with server.cfg).
Direct IP
Go to the Multiplayer launch options and add +connect followed by the IP.


Protocol Port(s) and/or port range(s)
UDP 3074
This game does not support Universal Plug and Play (UPnP) for automatic port configuration.

VR support[edit]

3D modes Native GG3D Notes
Nvidia 3D Vision
See Helix Mod: Call of Duty: Modern Warfare 3.
TriDef 3D
Officially supported game, see official vorpx game list.
Devices Native Notes
3RD Space Gaming Vest

Issues fixed[edit]


The game has some compatibility issues with older operating systems such as Windows 7 due to the outdated graphics stack (WDDM).
Change operating system[citation needed]
  1. Back up your files and programs.
  2. Go to Microsoft site .
  3. Select at will the type of transition to Windows 10.
  4. Upgrade to Windows 10 or reinstall from scratch.
  5. Download and install the latest drivers for your configuration, in particular the video card.
  6. Turn off the transparency of the desktop interface in the system settings in the personalization color section.
  7. You can also turn on the game mode in the system settings to ensure a higher priority of the game in automatic mode.


This action is the cornerstone of stability and smoothness of the gameplay, as Windows 10 has more advanced basic elements that the game requires.
You can also disable the function of HPET which is a technology of high-precision timer in the motherboard.
This can sometimes cause performance problems.
Disable HPET[4]

Method 1:

  1. Tap on the Windows-key, enter cmd, right-click cmd.exe in the results listing and select to run the command prompt with administrative privileges.
  2. To enable HPET as the only timer run the command bcdedit /set useplatformclock true
  3. To disable HPET in Windows run the command bcdedit /deletevalue useplatformclock
  4. Restart your computer.

Method 2:

  1. Search "Device Manager" on your PC.
  2. Scroll down to "System Devices" and open the sub-menu.
  3. Scroll to "High Precision Event Timer" and click it.
  4. Click "Actions" at the top of the window, and from that pop-up menu, click "Disable".
  5. Restart your computer.
A small tweak guide is available at PC Gamer
A collection of potential crash fixes are available at Crash Fixes

Black screen on start-up[edit]

Black Screen on Start-up[citation needed]

With some users, a black screen will display on start-up, though game music can be heard in the background. This is caused by a collision with the Mumble voice client. Within Mumble, be sure to disable the in-game overlay.

PC crashing/freezing in-game[edit]

Reinstall DirectX[citation needed]
  1. Go to <path-to-game>\redist\directx\
  2. Run dxsetup.exe
Disable Steam Community[citation needed]
  1. Open Steam
  2. Right click on Call of Duty: Modern Warfare 3 and select Properties
  3. Disable Steam Community In-Game

Game freezes during the intro video[edit]

Game Freezes during the Intro Video[citation needed]
  • Verify the integrity of your Steam game cache.
  • Update DirectX and GPU drivers.
  • Delete ModernWarfare3.bik in the installation folder

Crash to Desktop[edit]

Crash to Desktop[citation needed]
If the game randomly crashes on launch, ensure or try the following:
  • Update DirectX and GPU drivers.
  • Turn off SLI / Crossfire.
  • Use only one GPU first (turn the other one off via your graphics control panel).
  • Disable anti-aliasing and filtering.
  • Disable V-sync.
  • Disable background applications; turn off your anti-virus software.
Turn down sound acceleration (Windows XP)[citation needed]
  1. Go to Control Panel -> Sounds and Audio Devices -> Volume -> Speaker settings
  2. Select Advanced
  3. Open the performance tab
  4. Reduce sound hardware acceleration to basic, the 2nd notch from the left.

DirectX error while loading[edit]

DirectX error while loading[citation needed]
  • Change texture quality to automatic in video settings.

Cannot install[edit]

Cannot Install[citation needed]

This is a Microsoft C++ bug so the quick fix is to uninstall your C++ files. If you see 2 instances of Microsoft C++, uninstall both of them. There are also a couple workarounds online if you don't want to uninstall them.

Failed to run install script[edit]

Failed to run install script[citation needed]
This is a common issue with Windows 7.
  1. Locate setup.exe for Call of Duty: Modern Warfare 3 on the install disc and run it as administrator
  2. In Steam right click on COD: Modern Warfare 3
  3. Insert Disc 1 into your DVD drive and close Steam (File -> Exit Steam)
  4. Go to Start and type C:\Program Files (x86)\Steam\steam.exe -install D:
  5. Press okay and continue with the installation

Audio issues[edit]

Disable communications activity sound reduction[citation needed]
  1. Open the Start screen/Start menu, type mmsys.cpl and press Enter.
  2. Go to the Communications tab.
  3. Choose Do nothing.
  4. Click OK to save your changes.

Multi-monitor issues[edit]

Multi-monitor[citation needed]
  • Unplug other monitors and play on single screen.
  • Try playing in windowed mode.

Nvidia Optimus[edit]

Nvidia Optimus fix[citation needed]
  1. Open Nvidia Control Panel
  2. Open 3D Settings on the left hand side under "Select a task..."
  3. Select Manage 3D Settings
  4. Click Program Settings tab
  5. Under "1" Select a program, click add, and navigate to the MW3 EXE file.
  6. Under "2" Select "High-performance NVIDIA processor"
  7. Click apply and launch the game

Fuzzy textures[edit]

Fuzzy Textures[citation needed]

Set Image Quality to "Native", as "Extra" up-scales the textures resulting in poor image quality.

DirectX 9 compatibility with older video cards[edit]

DirectX 9 Compatibility With Older Video Cards[citation needed]

Appended the game laucher with -dx9 to force DirectX 9 compatibility mode.

  1. "seta rRendererPreference "Shader model 2.0"" in the player config for single player or multi-player respectively.

Mouse problems[edit]

Mouse problems[citation needed]
  • Shut down any software used for the mouse.
  • Also try a lower polling rate if the mouse has this function.
  • Turn off FRAPS


  • At the mission "Goalpost" after emerging from the parking lot area,go through the building on the right with the broken glass, and stay in there until the end of the offices, and it will auto save.

"Steam Error – 55: This game is currently unavailable. Please try again at another time" error[edit]

Steam Error – 55: This game is currently unavailable. Please try again at another time[citation needed]
  • Restart Steam
  • Or the computer

"DLC content is required. Required map ... is missing or damaged." error[edit]

DLC content is required. Required map (map name) is missing or damaged[citation needed]
  • Make sure both the single player and multi player versions of the game are installed.
  • Verify integrity of game cache
  • If the problem persists, reinstall the game while the anti-virus is turned off.

Other information[edit]


Executable 32-bit 64-bit Notes
macOS (OS X)
32-bit only.[5]

System requirements[edit]

Minimum Recommended
Operating system (OS) XP
Processor (CPU) AMD Athlon 64 X2 Dual Core 4000+
Intel Core 2 Duo E4300 1.8 GHz
System memory (RAM) 2 GB
Hard disk drive (HDD) 16 GB
Video card (GPU) Nvidia GeForce 8800 GTS
ATI Radeon X1900
256 MB of VRAM
DirectX 9.0c compatible
Shader model 3.0 support
macOS (OS X)
Operating system (OS) 10.9.2
Processor (CPU) Intel Core i3 2.2 GHz
System memory (RAM) 4 GB
Hard disk drive (HDD) 13 GB
Video card (GPU) Nvidia GeForce 640M
ATI Radeon HD 4850
Intel Iris
512 MB of VRAM
The following chipsets are unsupported by the OS X version: ATI Radeon HD 2000 series, ATI Radeon HD 6490M, 6630M, 3870, Nvidia GeForce 9000 series, Nvidia GeForce 320M, 330M, Intel HD 3000, 4000, 5000
Hard drive volumes formatted as Mac OS Extended (Case Sensitive) are not supported


  1. 1.0 1.1 When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).
  2. 2.0 2.1 File/folder structure within this directory reflects the path(s) listed for Windows and/or Steam game data (use Wine regedit to access Windows registry paths). Games with Steam Cloud support may store data in ~/.steam/steam/userdata/<user-id>/115300/ in addition to or instead of this directory. The app ID (115300) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.