Microsoft is taking a second stab at one of its biggest failed experiments (MSFT)

Robert Galbraith/Reuters Microsoft would probably like you to forget about Windows RT. The company's 2012 attempt at creating a "lite" version of its Windows operating system -- the poorly-received Windows 8, to be specific -- Windows RT only ran on simplified ARM processors, the same kind of internal chips that power smartphones and tablets. As a result, the devices that ran Windows RT only worked with the mobile-friendly apps in Microsoft's app store. There was a "desktop mode" that ran modifi...