400 million machines are now running Windows 10

Microsoft is revealing today that 400 million active machines are now running Windows 10. The latest update on usage comes just three months after the software maker revealed 350 million devices were running Windows 10 back in June. While Microsoft claims the adoption rate of Windows 10 is 115 percent faster than Windows 7, the company originally claimed it would have 1 billion devices running Windows 10 by 2018. Microsoft revised its timeline in July noting that "it will take longer t