Upgrading from Windows 10 Home to Professional?
1. Disconnect from the Internet, then go to Start Screen and click Settings.
2. Click on Update and Security. Click on Activation.
3. Click on Change product key. Enter this upgrade key: VK7JG-NPHTM-C97JM-9MPGT-3V66T
4. Click next, and then follow the steps. (This key will not be used to activate your Windows Operating System, rather get you to Windows 10 Professional.)
5. Once your computer upgrades to Windows 10 Professional, open the Start Screen and select Settings.
6. Click on Update and Security. Click on Activation.
7. Reconnect to the Internet. Enter your License Key Code and the upgrade will be complete!