Windows activation Issues

If you’re having trouble activating Windows 10, check out the below link on Microsoft Support website to troubleshoot and fix common activation errors in Windows.

Link: Get help with Windows activation errors

How to add/change Windows 10’s product key using Control Panel

1. Use the Windows key + X keyboard shortcut to open the Power User menu and select System.
2. Click the Change product key link under the Windows activation section.
   

3. Type the 25-digit product key for the version of Windows 10 you want.
4. Click Next to complete the process.

Second way:

1. Open Settings.
2. Click on Update & security.
3. Click on Activation.
4. Click the Change product key link.

4. Type the 25-digit product key for the version of Windows 10 you want.
5. Click Next to complete the process.