As the part of Microsoft windows 8 operating system, Microsoft set out to make it as easy as possible for everyone to upgrade to Windows 8. Starting at general availability, if you are using Operating system as Windows XP, Windows Vista, or Windows 7 you will become licensed to download an upgrade to Windows 8 Pro for $39.99 in 131 markets. You can add Windows Media Center for free of cost through the “add features” option in Windows 8 Pro after your upgrade complete. Same like Mac Loin upgrade!...