Eligible for FREE windows 10 upgrade that ends on July 29th, 2016. Brand New OEM DVD comes in a sealed envelope or plastic case with COA and keycode. Not a download. Full version. Use of this OEM System Builder Channel software is subject to the terms of the Microsoft OEM System Builder License. Can be used with new, refurbished and used branded and non barnded PCs. This OEM System Builder Channel software requires the assembler to provide end user support for the Windows software and cannot be transferred to another computer once it is installed.