Microsoft shows off Cortana on PC
Microsoft executive Joe Belfiore demonstrates the firm's Cortana assistant working on a desktop PC for the first time.
Microsoft has announced that its next operating system, Windows 10, will be offered as a free upgrade to owners of devices running Windows 8, Windows 7 and Windows Phone.
Read more: Windows 10 upgrade to be 'free' for one year
21 Jan 2015
- From the section Technology