Windows 10/11 activation

To activate Windows 10/11 by phone:

1. Select Start  > Settings  > Updates and security  > Activation .
2. Under the section Activate Windows now , select Activate by phone.
3. 
5. Select your location or the closest location from the drop-down list, and then select Next.
6. Call one of the available phone numbers listed. An automated system will guide you through the activation process.
7. 
8. If you are unable to complete the activation successfully, you will be connected to Microsoft support for your region and country.

Or, if the option is not available Activate by phone :

1. Awards Windows key + R, type slui 4 in the Open box, select OK.
2. Select your location or the closest location from the drop-down list, and then select Next.
3. Call one of the available phone numbers listed. An automated system will guide you through the activation process.
4. If you are unable to complete the activation successfully, you will be connected to Microsoft support for your region and country.