Microsoft has improved clarity for the free WIN10 upgrade window, for the WIN7 and WIN8 user community

http://www.pcworld.com/article/3089299/windows/microsoft-backs-off-sneaky-windows-10-upgrade-tricks-with-simple-new-pop-up.html

http://www.zdnet.com/article/microsoft-to-make-saying-no-to-windows-10-update-easier/

The new interface will feature three buttons with clear options, including Upgrade now, Choose time (in other words, schedule the upgrade time), or Decline free offer. Microsoft also plans to restore proper behavior to the “x” in the upper right hand corner. Instead of being treated as consent for an upgrade, clicking the “x” will simply dismiss the window, as it should be