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
intel skylake
legacy systems
microsoft
migration
oem partners
performance
security updates
siliconinnovation
software
support
technology
upgrade
windows 10
windows 7
windows 8.1