This guide will help you activate your PC with existing Windows 10 Home or Professional.

 

Before you Begin:

1) You will need to purchase a Windows 10 Home or Professional Activation Key.
2) Make sure you have the right Edition of Windows 10 installed on your PC. Goto Start menu, type “About your PC”, under Windows Specifications, Edition should be the same as the one you purchased. If your Edition is not the same, then you can check-out our guide on How to Convert Windows 10 Home to Windows 10 Professional.

 

How to Activate Existing Windows 10 Home or Professional:

1) Go to Start menu, type “Activation”, click “Change Product Key” and enter the Windows 10 Home or Pro Activation Key you purchased from us.
2) That’s it, your Windows 10 Pro should activate automatically.

 

Troubleshooting:

If you get a Invalid Key Error: It means you are trying to use a Pro Key on a Home Edition PC. Make sure you have the right Edition of Windows 10 installed on your PC. Goto Start menu, type “About your PC”, under Windows Specifications, Edition should be the same as the one you purchased. If your Edition is not the same, then you can check-out our guide on How to Convert Windows 10 Home to Windows 10 Professional.