Microsoft is set to release its operating system with the name of Windows 10 in the mid of 2015, this operating system will be used for the Lumia handle, where it has already been confirmed that OS would reach all its windows Phone 8 and Windows Phone 8.1 Lumia Handsets. Obviously this has become an exciting news for the Lumia Mobile Sets owners who are happy to hear having windows 8 or higher than this.This news is also meant for the entry level handsets like Lumia 520 will receive the update. The Twitter account of the Lumia has failed to describe the rollout dates of the windows 10 upgrade devices in the future, but this is only mentioned that Windows will soon launch the windows 10 in the future, where it was not mentioned at any place that this will be given to the Lumia mobile phones holders or any other mobile companies.