Microsoft sees silver lining in clouded Windows

In case you haven’t noticed, Microsoft — yes, sleepy old Microsoft — has been on a tear the last few years. Windows 10 was released last year to nearly universal praise, Microsoft’s HoloLens augmented-reality headset has been called groundbreaking, and the company jumped to No. 3 on the BrandZ list of most valuable global brands in 2015 after languishing at No. 7 as recently as 2013. More important, between early September 2015 and Feb. 1 of this year, the company’