If you’ve purchased a valid Windows 10 Pro product key and you wish to upgrade your standard version of Windows 10 to Professional, here are the instructions:
- Right Click on the Start Button and choose System from the menu which pops up
- On the Windows that pops up scroll down to Windows Activation and click on Change Product Key
- Enter your Windows 10 Professional Product Key. The Cancel button will change and allow you to continue to upgrade your Windows 10 version once you’ve entered in a valid Windows 10 Pro product key.
- Your computer will restart after installing the new Window 10 Pro features.