&gt; Running the OS on newer PCs requires &quot;device drivers and firmware...to emulate Windows 7&#x27;s expectations for interrupt processing, bus support, and power states- which is challenging for Wi-Fi, graphics, security, and more.&quot;<p>This suggests the issue is that MS will only be supporting  Win10; the article doesn&#x27;t mention any attempt being made at being affirmatively in-compatible with other OSes.