Finally some good news about Windows 8. Microsoft has confirmed that the upcoming Windows 8.1 aka Windows Blue which is due for release later this year will be available as a free update (via the Windows Store) to all existing Windows 8 users. This includes Windows 8 desktop/laptop users as well as users of devices running Windows 8 RT (tablets). More information about what is going to be included in this release/update is still forthcoming and a ‘consumer preview’ will be available during Microsoft’s BUILD 2013 conference in San Francisco on June 25th. So it sounds like Microsoft is going to treat Windows…