How do I uninstall 7 Ultimate and replace them with a Pro 7

I bought 7 Ultimate thinking I could use Bitlocker, but my motherboard is not properly equipped.  I got a refund for ultimate and just bought 7 Pro again (I have not installation information)., that I had before.

Please let me know how I can switch back.  I went through SO much research, but I can't find the answer.

Thank you and Merry Christmas!

Once you have identified the edition you want to downgrade to, click it. You can receive the error message, click on continue.

If it does not, click the close button in the dialog box.

Do not restart your computer. Insert your installation DVD of Windows 7 for the edition you want to downgrade to. Check if we offer you the possibility to upgrade.

Click to upgrade

Tags: Windows

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