Nov 27, 2012: Microsoft which launched its Windows 8 OS so as to take on the battle unleashed by Apple and Google got a shot in its arm with the latest announcement made by Jin Park, Vice President, IT solution business of Samsung. Jin, announced that 19 million laptops, computers and tablets loaded with new Windows 8 OS will be shipped by Samsung. Microsoft within 4 days of its launch has already sold 4 million upgrades of Windows 8 which is a significant number and according to industry experts the battle between different OS is going to get bitter in the days to come.