How fix modern warfare 2?

[WilnarMasonmg]

What are the steps to fix the error message "Your operating system Windows 8 is not supported" in Modern Warfare 2?

[WilnarMasonmg]

I've only had a panic button once. It was two seperate buttons, with a physical divider, and you had to push both at the same time. Easy to do with one hand, but hard to hit both, at the chatspin e-chat same time, on accident.

[lindafr]

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