i have not seen any and everyone says they are retail keys. i have a few codes left and want to use those for the rest of my family members who want it but i will not see some of them till prob march or so of next year and want to get them their keys and hang onto them till i go to visit and do the install. i do all their computer work when i got visit during the year to help them out. so like they are saying with wmc they are no good if not activated by a certain date is there any info relating to the win 8 upgrade keys?? im hoping not.. i have yet to find any.