Hands-on with Windows 8.1 Preview: Windows 8 done right | Ars Technica
Late last month, Microsoft announced a raft of interface changes that Windows 8.1 would introduce. Weve been giving them a spin.As you might guess from the name, Windows 8.1 is an update to and improvement on Windows 8. The new user interface introduced in that operating system—the Start screen, touch-friendly “Modern” apps, the charms bar—is retained in Windows 8.1. What we see is a refinement and streamlining of these concepts.