"Windows 10 will be a free, automatic upgrade from Windows 7 and 8.
Windows chief Terry Myerson explained:
“We are upgrading all qualified PCs, genuine and non-genuine, to Windows 10.”
And in case that isn’t clear, a Microsoft spokesperson clarified exactly what that meant to The Verge:
“Anyone with a qualified device can upgrade to Windows 10, including those with pirated copies of Windows.”"
"...licensing is becoming an increasingly less important part of (Microsoft) revenue model. It’s dropped from 23 percent of revenue to 16 percent, year over year, between Windows and Office licenses. The idea here is that with a legitimate copy of Windows in hand, even pirates may be more likely to shell out for Microsoft’s other products like Skype and Office 365."
Windows 10 ROM for Android: Xiaomi Mi 4 Windows 10 install coming | BGR
"Microsoft has found a way to install a Windows 10-based ROM on Android devices, complete with its own mobile software offerings, including Cortana, Office, OneDrive, Skype and more."