Windows 8.1 was released Microsoft products to solve a series of problems Operating system Windows 8 and to address some user complaints such as failure to boot directly into desktopThe lack of a Start button and too much rigidity Start Screen's.
For those who have waited for this Update, Windows 8.1 is now available to download in Windows Store. All users Windows 8 will receive (if not already done) a notification in Windows Store with the free Microsoft products to make upgrade the new operating system.
Upgrade from Windows 8 la Windows 8.1 is relatively without any problem and, most importantly, for freeSystem, retaining both applications desktop installed and on the modern, files or settings applied by users (basically update it's no different from a installing a Service Pack or security update made Windows). But if you did upgrade from Windows 8 to Windows NEVER Preview from Windows Store after a few months, although the update is applied as for Windows 8 (and all free), All applications will be reinstalled (The good news is that personal files will be kept).
If you installed Windows NEVER Preview using ISO image installation, you can the upgrade Windows 8.1 all through Windows StoreBut you will need a license code for Windows 8.1 (Microsoft products announced that licenses for Windows 8 will not work the systems which have been carried out clean installation version of Preview, Where before you run a Windows 8Will be Reinstall respectively before upgrading to Windows 8.1 so you don't have to buy one new license).
Daca the upgrade option is not yet available in Windows StoreUsers have an opportunity to the upgrade Windows 8.1 through Windows Update (Change PC settings > Windows UpdateThen check which are available for system updates and install them).
users Windows 7, Windows Vista si Windows XP who want to go to Windows 8.1 can buy a copy of the operating system 120$ (Or 200$ if you want a Professional edition).
Note: Users Windows 7 can upgrade to Windows 8.1 through Microsoft Upgrade Assistant (all personal files will be stored, but applications will need to be reinstalled without exception, including the Microsoft Office suite). users Windows Sight yes Windows XP will have to do a clean installation of the system.
STEALTH SETTINGS - How to upgrade to Windows 8.1