After the update is finished we need to install a Key to the device, this will be done by right clicking the device and select “Install product Key…” then you need to select the appropriate key corresponding with the product and click “Install Key“.
Now the device has the key installed and can be activated, this will be done by right clicking the device and select “Activate“, then select “online activate” and then use “Current credentials“.
Now the device is activated and is Genuine.