Microsoft have now reversed their decision regarding 6th Gen Intel Skylake processors only running on Windows 10 and so support under Windows 7 and 8.1 is now possible.
Reference:
Link Removed
6th gen
commercial customers
compatibility
enterprise
hardware
intelskylake
legacy systems
microsoft
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oem partners
performance
security updates
silicon innovation
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support
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upgrade
windows 10
windows 7
windows 8.1