Microsoft Product Keys—OEM, Retail etc. What’s The Difference?

Windows Forums member, grr, asked the following question in our suggestion box: There are 10 or more different types of keys for Microsoft products. example, VLM, KLM, abc, xyz, oem, etc. I have to admit that still till date I’m not having a proper and reasonable understanding of all these different keys. It would be great […]

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