According to TheVerge, Microsoft Windows 8.1 will be released on October 18. Windows 8 users can download the free update on Windows Store one day before the release date, There will be a formal release press on October 18. In next few weeks, Windows 8 RTM will be open to PC manufacturers and partners.
In this year's WPC, Microsoft demonstrated their latest Windows 8.1 on various devices most of the time, including the 8-inch Tablet PC, laptops, desktops and even streamed content from PC to Xbox One. The Windows 8.1 highlights include the come back of "Start button", support for multi-screen applications and smarter tiles, search engine optimization etc.