`After years of development, the latest version of Microsoft’s new operating system Windows 8 launched at midnight last night. It is most probably the most radical version of the Windows OS so far, designed to run not just on desktop PCs, but also on tablets and other touch based devices. Microsoft needed to add this support to Windows 8, because it’s dominant position in the market is shrinking as users shift usage away from traditional PC devices to tablets and smartphones. Windows 8 includes the new user interface that is best suited to mobile devices like tablets, but can also be used on desktop PCs. Whether the new user interface proves popular with PC users remains to be seen. A lot is riding on the launch of Windows 8, and as part of the festivities Microsoft held a massive Windows 8 party in New York at Microsoft’s Times Square store. Neowin have pulled together some of twitter photos of the event...