Those too good to be true prices are actually MSDN/TechNet product keys that can be blocked at anytime by Microsoft.
- Microsoft Office Serial Key Finder
- Microsoft Office Serial Key Torrent
- Cheap Microsoft Office Serial Key Code
About MSDN or TechNet Product Keys
They are genuine Microsoft product keys, they are actually retail licenses, but it is intended for a particular product channel either the Microsoft Software Developer Network (MSDN) or TechNet for IT Professionals who pay a subscription fee. The main purpose is for evaluation purposes. The great thing about them, unlike trial Microsoft software, MSDN or TechNet keys don't expire. Because the agreement under which the subscription is provided is a single license, none of the software should be distributed outside of it. Even though its $50,000 worth of licenses, it is for one person only to use and no one else. Unfortunately, regardless of the licensing terms, persons still abuse the program, either giveaway product keys or resell it on auction sites. Microsoft licenses it in good faith that customers won't do so, but I guess human nature wins out.
In your case, what probably happened is, you bought an MSDN licensed key, which carries up to 10 activations unlike full packaged retail licenses which only carry 1 activation. The person who sold it to you probably sold it to 10 other persons. Somewhere along the way, one of those persons might have installed it on a second system, activated it, because it went past 10 activation threshold, Microsoft detected it that it was being abused and blocked the key from further use.
So, I would avoid purchasing any of them.
Microsoft Office Serial Key Finder
Where can you still get genuine licenses?
Microsoft Office Serial Key Torrent
You can find OEM System Builder software from dozens of online merchants. The current price for OEM Windows 7 Professional at Newegg, for example, is $140. 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. When I checked just now, a package specifically intended for refurbished PCs cost only $50 for a 64-bit copy.
Cheap Microsoft Office Serial Key Code
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. In the past, Microsoft has been remarkably inconsistent in its advice to customers about whether this practice is allowed. (See 'Is it OK to use OEM Windows on your own PC? Don't ask Microsoft.')
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