The key will work on an inactivated working Win11 Pro or a clean installation of Windows 11 Pro. If you don't have Windows 11 Professional already installed, we recommend you first download and install it from here: https://www.microsoft.com/en-us/software-download/windows11
To Activate Windows 11 Professional with Retail Key follow this:
- Click Start -> Go to Settings
- Click on System -> Activation
- Click on Activate or Change Product Key
- Enter the License Key you received after purchase
- Done, now your Windows is fully activated and you will have access to Premium features
Warning! This key cannot be used to upgrade your system version from Home to Professional. Please note that virtual products cannot be returned for a refund.