Vista OEM + Win7 Upgrade = Win7 Retail

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.
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More about vista win7 upgrade win7 retail
  1. 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.
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