Windows 8.1 preview preview is coming on June 26. Microsoft announced new security enhancements at TechEd 2013 conference. IT administrators will be offered more control via manageability, networking, and security capabilities. Work Folders will allow users to keep local copies of their work on their device and sync data from their user folder in the corporation’s data center. The Start button will be enabled by default by default when the free update is released June 26, Microsoft announced at the conference of the TechEd conference.”]