How can I activate Windows 10 on a new pc?

My problem is that I have bought a new pc and I cannot active Windows 10 on the new pc.

I have a digital retail Windows license attached to my Microsoft account. From what I understand I should be able to transfer this license to a new PC.

I have previously used the license on a pc with name DESKTOP-1 and now I have bought a new pc with name DESKTOP-2. Both of these devices are visible in the "Devices" page on my Microsoft account.

I have formatted the hard drive on the old pc and installed Windows 10 on the new pc and logged in with my Microsoft account.

When I got to "Settings" and "Activation" I can see the error "Windows reported that no product key was found on your device. Error code: 0xC004F213"

When I click on "Troubleshoot" under "Activate Windows now" a window opens with the message "We weren't able to activate Windows on this device".

When I click on "I changed hardware on this device recently" a new window opens with heading "Reactivate Windows" and "Select this device from below" with a list of devices. 

Only my old pc DESKTOP-1 is shown. I expect to see my new pc DESKTOP-2 so I can select it and activate it.

How can I activate Windows 10 on my new pc?

Answer
Answer
Hi, Timo. I'm Robinson, and I’m happy to help you today.

As you never activated Windows on the new computer, it will not be shown in the list.

When you run the activation troubleshooter and select the option "I changed hardware on this device recently" you need to select your old PC (DESKTOP-1) and select "This is the device I’m using right now" then click on activate. By doing this the activation troubleshooter will understand that you want to use the Windows license from your old computer in the new computer.

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Last updated April 19, 2025 Views 1,557 Applies to: