Microsoft has launched the latest version of its flagship operating system Windows 8, which is designed to work across PCs, tablets as well as smartphones.

Windows 8 can be controlled using touch (with tablets) and with mouse and keyboard (desktops).

Talkng to reporters in New Delhi on Thursday,Microsoft India Chairman said that the new operating system comes with a new start screen and adds more colours.

The old start menu is replaced by tiles which showcases users' content that can be updated in real time.