Windows 10 Professional 64 bit / 64 bit OEM | DVD | English | Windows 10 Pro OEM 64 bit
Product Features Windows 10 OEM is a full version of the operating system not an upgrade Windows 10 OEM is intended for pre-installation on a new PC and cannot be transferred to another computer once installed NOTE: Installation is only possible when using a clean (blank) machine with no other prior version of Windows already