Windows 8.1 x64 has new ways for you to personalize your PC and includes a wave of awesome new apps and services. If you're ready to bring back the Start button, you can download the Windows 8.1 Preview right now.
It is awful that Microsoft is not with the times with Windows 8 & 8.1 that you cannot automatically update these systems that have come from the OEM or through custom installs of OS to where OS is on SSD drive and User and Data files are on another drive or RAID array! Come On Man, get with the technology!