There are now 800 million devices running Windows 10 worldwide

[Windows Central]

Windows 10 is now running on 800 million monthly active devices, just six months after reaching 700 million.
Microsoft has today announced that Windows 10 has surpassed 800 million monthly active devices half a year after surpassing 700 million in September last year. 800 million devices is very impressive, but it's nowhere near close to Microsoft's original goal of one billion Windows 10 devices in three years, which it missed last year.

Full story from the WindowsCentral blog...