If you were linked to this article in Call of Duty: Modern Warfare II, the game detected that your PC is running on a Windows 10 version that is not up to date. Older versions of Windows 10 are known to cause stability issues with Call of Duty: Modern Warfare II and may not be supported by the game as they are no longer supported by Microsoft.
We recommend upgrading Windows 10 to the latest version available. Follow the steps below to update your Windows 10.
- Open the Start menu and select the gear icon to open Settings.
- Select Update & Security, then select Windows Update.
- Select Check for updates.
- Available updates should begin downloading and installing automatically. Be sure to allow updates to install completely before returning to Call of Duty: Modern Warfare II.
Please note: Call of Duty: Modern Warfare II cannot be played on Windows 7 or Windows 8.
Be sure to also check out tips for Updating Video Card Drivers on a PC.