Microsoft has finally decided to roll out Windows 10 for the customers. In its blog, Microsoft had announced about Windows 10 on 30 September 2014. There is also report that Windows 10 will available Free . According to Jim Alkove : Windows 10 will run across an incredibly broad set of devices – from the Internet of Things, to servers in enterprise datacenters worldwide. Some of these devices have 4 inch screens – some have 80 inch screens – and some don’t have screens at all. Some of these devices you hold in your hand, others are ten feet away. Some of these devices you primarily use touch/pen, others mouse/keyboard, others controller/gesture – and some devices can switch between input types.