Microsoft today said it will start rolling its much-anticipated Windows 8.1 update in October. Windows 8.1 will start rolling out as a free update worldwide on Oct. 17 at 7 a.m. ET (or midnight on Oct. 18 in New Zealand, Microsoft notes in a blog post). Consumers can get the update through the Windows Store. It will also be available at retailers and on new devices on Oct. 18. Read more http://www.usatoday.com/story/tech/2013/08/14/microsoft-windows-update-coming-in-october/2653521/
