How to Fix “Your operating system Windows 8 is not supported” in Modern Warfare 2

Do you get the “Your Windows 8 operating system is not supported” error in Modern Warfare 2?

This is the second part of the error message, “We recommend upgrading to Windows 10 version 1909 or later”.

Followed by “Do you want to visit Activision Support for more information”?

Clicking “Yes” will redirect you to Activision support page for more details while clicking “No” will close the message.

In this guide, you will learn how to fix the “Your Windows 8 operating system is not supported” error in Call of Duty: Modern Warfare 2 (MW2).

• Why is my OS not supported by MW2?
• How to fix “Your Windows 8 operating system is not supported” error in Modern Warfare 2

Why is my OS not supported by MW2?

Your operating system is not supported in MW2 because it is outdated.

Modern Warfare 2 requires Windows 10 or later to run.

If you have Windows 10 or 11 but still receive the error message, it means you are running the game in compatibility mode.

This will cause the game to crash when you launch it.

How to fix “Your Windows 8 operating system is not supported” error in Modern Warfare 2

To fix “Your operating system Windows 8 is not supported” error in Modern Warfare 2, you need to disable compatibility mode for Steam and MW2.

Also, you need to make sure you have the latest version of Windows.

If all else fails, you can contact Activision support here: https://support.activision.com/.

Fix 1: Turn off compatibility mode for Steam

1. Quit the Steam and MW2 desktop apps.
2. Right click on “Steam” and select “Properties”.
3. Select the “Compatibility” tab.
4. Uncheck “Run this program in compatibility mode for”.
5. Select “Apply” and select “OK”.
6. Launch Call of Duty: Modern Warfare 2.

Fix 2: Disable compatibility mode for MW2

1. Quit the Steam and MW2 desktop apps.
2. Go to the MW2 installation path.
3. Right click on “cod.exe” and select “Properties”.
4. Select the “Compatibility” tab.
5. Uncheck “Run this program in compatibility mode for”.
6. Select “Apply” and select “OK”.
7. Launch Call of Duty: Modern Warfare 2.

Fix 3: Update Windows to the latest version

1. Search for “Check for updates” using Windows Search.
2. Select “Check for updates”.
3. Select “Download and install” if an update is available.

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Categories: How to
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