Make sure you are connected to internet and run cmd as administrator then run the following commands one by one:
slmgr /ipk W269N-WFGWX-YVC9B-4J6C9-T83GX
slmgr /skms kms8.msguides.com
slmgr /ato
Windows Activated 
Make sure you are connected to internet and run cmd as administrator then run the following commands one by one:
slmgr /ipk W269N-WFGWX-YVC9B-4J6C9-T83GX
slmgr /skms kms8.msguides.com
slmgr /ato
Windows Activated