Windows 10 being launched in July 2015 is the re-invention of Microsoft. It is going to be offered as a free update to users of windows 7 and 8. Henceforth, no new versions of windows will be sold. Instead there will be frequent updates on subscription basis. It is the recognition of the fact that the rules of the software industry have changed. Apple passed on free software, which is subsidised by the profits it makes on hardware sale. Google passes on free software which is subsidised by its advertising revenue. Windows still retains its position as the largest selling PC OS. Here also there are two factors — the overall sales of PCs are showing decline. Google’s Chrome OS and Apple’s Mac are competing with Microsoft. PCs are being replaced by small devices such as cell phones and tablets. Microsoft dipped its toes in water here by offering free apps of MS Office. Cortana, a Siri-like digital assistant has been added. Edge is the new Microsoft browser, which replaces Internet Explorer. Microsoft is shedding the snake skin to emerge as a new vibrant organisation.