Activate Process
Select the Start button, then select Settings > Update & Security > Activation .
Use the license key after installation and not during installation, to enter the product key, select the Start button, and then select Settings > Update & Security > Activation > Update product key > Change product key.
To check activation status in Windows 10, select the Start button, and then select Settings > Update & Security and then select Activation . Your activation status will be listed next to Activation.