Microsoft Windows 10 Pro 32 Bit System Builder OEM | PC Disc The Start menu is back and better than ever so you can expand and customize it. Join your business or school domain for easy access to network files, servers, and printers. Login with Remote Desktop and create virtual machines with Hyper-V. Windows 10 OEM is a full version of the operating system not an upgrade. The OEM operating system is not supported by Microsoft. To acquire Windows software with support provided by Microsoft please see our full package "Retail" product. Microsoft recommends all files and programs be backed-up prior to installation. Windows 10 OEM is intended for pre-installation on a new PC and cannot be transferred to another computer once installed. Product ships in a white envelope.