the steps to take if you’d like to upgrade your device from Windows 10 Home to Windows 10 Pro. 

To check which edition you’re running and your activation state: 

1. Select Start > Settings > Update & Security > Activation.

2. Click “Change product key”, and type Windows 10 Pro Product Key”

3. Wait until the upgrade processes finish.
4. Confirm the Windows edition information.

Buy: $99.99 (Office Depot)