Microsoft's Yusuf Mehdi is checking in with a Windows 10 status update, revealing that the OS is already on some 14 million devices. He noted that not everyone who reserved an upgrade has gotten it yet, but says the rollout will continue in phases over the next few weeks. While whether or not you can upgrade to Windows 10 may still be in question, we have information to help decide if you should with our FAQ and review. Of course, if you're one of the millions already in the door, you can just let us know how the new experience is working so far.

http://www.engadget.com/2015/07/30/windows-10-24-hrs/