Pursue Android , Windows Phone " made ​​free "

Microsoft withdrew the license fee to manufacturers of gadgets that use the Windows operating system on smartphones and tablets homemade . Now , the rate is not valid anymore because the Windows mobile version has been made ​​free by Microsoft .

It was announced at Microsoft's Build developer conference held in San Francisco , United States , Wednesday ( 02/04/2014 ) yesterday .

However , not all types of devices get free Windows . The offer is only available for smartphones and tablets are smaller than 9 inches .

Microsoft also announced will start supporting Windows Universal Apps that can run on all operating system platforms , including Windows Phone , PC , and tablet .