Not so much barred but that CPU is not supported with that old OS. So you may see issues.
It is my understanding, that you can run the latest processor Kaby Lake with Win 7, but you will be barred from receiving any Windows updates. What if I set my hard drive with Win 7, and all the updates to have the Out of Body Experience ( the next time it boots, it is as if it's the 1st time windows boots up) and put it in my new build. Will it run properly? Correct me if my information is incorrect.

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