Available for personal testing
Solution:
1. First, right-click the start button in the lower left corner.
2. Then you can see "windows powershell (administrator)" in the menu.
3. Then you can enter the command prompt management.
4. Finally enter the code:
slmgr /ipk W269N-WFGWX-YVC9B-4J6C9-T83GX
slmgr /skms kms.03k.org
slmgr /ato
Just press Enter again.