I am unable to activate Windows on a new device.

[Microsoft Windows]

I am unable to activate Windows. I had to reinstall Windows, and after reinstalling the operating system, I can’t activate the product key on the new Windows system. I am receiving the error code 0xC004C020: "We can’t activate Windows on this device because the product key has already been used on another device." I did not deactivate the key on the previous OS, and I no longer have access to the previous Windows installation. The key was purchased as a digital edition. I have the receipt and proof of purchase.

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