How long will it take for official windows 10 for phones to b on row

[shiva thakur1]

Wht i really want to ask is tht how long will it take microsoft to launch official windows 10 for lumia phones

 

[abhishek singh21]

Wht i really want to ask is tht how long will it take microsoft to launch official windows 10 for lumia phones

already launched.

Microsoft begins Windows 10 Mobile roll-out - MSPoweruser