Microsoft OS OEM Products are reduced price products and are meant for use with NEW Computer Hardware Products only OR on which Microsoft OS Trails have been loaded when NEW. Microsoft does not provide any direct support on Microsoft OEM products. Microsoft has put the responsibility of installation and support if any, entirely on the Computer Assembler/ System Integrator/ Enduser Self Assembler. Please do not purchase/sell Microsoft OEM products if you do not have skills to install & configure the Microsoft software. *Please refer to Microsoft licence terms for complete details.