Hi Rob,
Thank you for posting, I am here to help. This problem occurred when upgrade is not completed or interrupted or license issue.
Please check and try the following steps to fix the problem.
Check Activation:
Click Start button then search CMD. Open CMD and enter this command:
slmgr /ipk VK7JG-NPHTM-C97JM-9MPGT-3V66T
You will receive the activation successful message.
Restart your computer and check the edition of your Windows.
looking forward to helping you out. If you need more help please let me know. If the answer is helpful, please click "Accept Answer".
Best regards,
Jansher