Method # 1 Commands
sfc/scannow
DISM /Online /CLeanup-Image /RestoreHealth
Method # 2 Commands
slmgr.vbs /dlv
slmgr.vbs -ipk (product key)
*To find your Windows Product Key command
wmic path softwarelicensingservice get OA3xOriginalProductKey
slmgr.vbs -ato
Method # 3 Commands
slmgr /skms kms8.msguides.com
slmgr /ato