Windows 8.1 'Blue': everything you need to know

Microsoft shipped its Windows 8 operating system in October, but the company is planning to update it in a big way with codename Blue. Designed for new hardware, including 7- and 8-inch devices, Windows 8.1 (Blue) will be treated as a new version of Windows — an update to Windows 8. Check out all the news below as we follow Windows 8.1's progress from milestone to release.