If you've purchased your laptop/computer from June 2012 - Jan 2013 without win8 pre-installed you can upgrade to Win 8 for $14 by going to this website
http://www.windowsupgradeoffer.com/ and entering your information and you get a promo code which will discount your purchase
Well you can go to that website,
http://www.windowsupgradeoffer.com/ and enter any information you want as long as its within the promo period and you can get WIN8 for $14+tax
I haven't seen this posted on redflagdeals so quick before they find out and ruin this deal