At 4:00am October 17th PDT, Windows 8.1 will begin rolling out worldwide as a free update for consumers on Windows 8 through the Windows Store. Windows 8.1 will also be available at retail and on new devices starting on October 18th by market.
Windows 8.1 fixes many of the issues Windows 8 users have raised. It also brings back some "old Windows" features. Windows 8.1 brings many improvements in areas like personalization, Internet Explorer 11, search which is powered by Bing, built-in apps including a few new ones, an improved Windows Store experience, and cloud connectivity with SkyDrive.
Watch the Windows 8.1 preview video below.