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That change lasted exactly one year: with the launch of Windows 8.1, Microsoft restored the old licensing terms. To make the subject even more confusing, Microsoft briefly changed its licensing rules with Windows 8, adding a Personal Use Rights clause that allowed individuals to buy OEM Windows and install it on personal PCs. (See " Is it OK to use OEM Windows on your own PC? Don't ask Microsoft.") In the past, Microsoft has been remarkably inconsistent in its advice to customers about whether this practice is allowed. There are no technical limitations to prevent you from using OEM software on your own PC, although this software will work only for a clean installation and not for an upgrade. When I checked just now, a package specifically intended for refurbished PCs cost only $50 for a 64-bit copy.
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When I checked a few minutes ago, Amazon was offering OEM Windows 7 Professional packages from multiple sellers at prices ranging from $101 to $150. The current price for OEM Windows 7 Professional at Newegg, for example, is $140. You can find OEM System Builder software from dozens of online merchants.
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However, the license agreement with those copies explicitly prohibits you from using that software on a PC you build or refurbish for your own personal use. Under Microsoft's arcane licensing rules, you can legitimately purchase OEM copies of Windows 7 (any edition). OEM Windows software for new or refurbished PCs I don't recommend taking a chance with random sellers on eBay or Craigslist-not when there are so many well-established merchants that offer proper warranties and return policies, as well as an assurance that the underlying Windows license is legitimate.
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