Is this Retail, Upgrade, or OEM it doesn't say I'd like to upgrade OS from XP to Win7 but W8 at this price and if its retail full version I'd buy in a heart beat.
http://www.bestbuy.com/site/Windows+8+Professional+-+Windows/6559083.p?id=1218752793305&skuId=6559083
http://www.bestbuy.com/site/Windows+8+Professional+-+Windows/6559083.p?id=1218752793305&skuId=6559083