You can find OEM System Builder software from dozens of online merchants. You could even purchase a much cheaper edition if you wish such as Home Premium, since it will be for home use. There is nothing wrong with using it too, especially since all future releases of Windows will be full versions anyway. OEM versions cannot be used to directly upgrade from an older Windows operating system OEM versions allow all hardware upgrades except for an upgrade to a different model motherboard OEM licenses are tied to the very first computer you install and activate it on OEM versions do not offer any free Microsoft direct support from Microsoft support personnel OEM versions of Windows 7 are identical to Full License Retail versions except for the following: Expensive, but cheaper than full version require a previous qualifying version of Windows.
Doesn't require a previous qualifying version of Windows. Includes transfer rights to another computer. This means retail boxed copies demand a premium, while OEM System Builder copies remain affordable. Because Windows 7 is in limited stock because Microsoft ended sales in October 2013, this has created demand because of its scarcity.
