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Vista OEM + Win7 Upgrade = Win7 Retail

Last response: in Windows 7
December 25, 2009 2:12:59 PM

I upgraded an OEM copy of Windows Vista Home Premium to Windows 7 Professional, using an upgrade copy that I purchased from

According to the site, this upgrade copy is exactly the same as a Windows 7 Upgrade copy available from a store. Does this mean that I now have a Retail copy of Windows 7? I can not find an oembios.bin, and the product ID, on system properties, does not have OEM in it, unlike the copy of Vista.
a b $ Windows 7
December 25, 2009 3:52:22 PM

All "upgrades" are clasified as retail and have the same support as the full version.
An upgrade version requires you to own a previous full qualifying OS.