Can I upgrade from Windows 7 OEM to Windows 8.1 retail?

BombTime101

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May 22, 2015
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Hello, I built a gaming PC a few months ago with Windows 7 OEM, however I recently found out that doing that is illegal. There is nothing I can do about it now, but I can make things right. My question is: if I buy and install Windows 8.1 retail on my Windows 7 OEM computer, will the Windows 7 OEM license remain, or will the Windows 8.1 retail license overwrite it?

Thanks in advance!
 
Solution
http://www.zdnet.com/article/is-it-ok-to-use-oem-windows-on-your-own-pc-dont-ask-microsoft/

Clear as mud. I have built personal systems and used Windows OEM, and not had any issues.