Need to roll back an installation of Windows 7 for Windows Vista

I started with a Windows Vista computer that I wanted to update to Windows 7.

The installation went well until it got to the point where he asked me a product key. I installed Windows 7 Ultimate, but I think that my product key is no longer valid for Windows 7 Premium. So I want to go back to Windows Vista (and I have a Setup for this disk), but now I can't go to a command prompt or anything.

Maybe there is a way to boot / install from the disc, but I have not found.

If you want to stay on Windows 7, we can help you do it if you can provide us with this type of product key you have:

  • Button upgrade: comes with media upgrade Windows 7, intended to upgrade the previous operating system only. Cannot be used to install Windows on a blank hard drive.
  • Key Standalone: comes with the full version of Windows 7, which can be used to upgrade the previous operating system or install Windows on a hard drive Virgin or reformatted.

You can stay on Windows 7 If your Home Premium key is a standalone key. Let us know what you would do.

Tags: Windows

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