Windows Server 2008 R2:
slmgr /skms ipadressofkmsserver
slmgr /ipk YC6KT-GKW9T-YTKYR-T4X34-R7VHC
slmgr /ato
slmgr /xpr
Windows 7:
slmgr /skms ipadressofkmsserver
slmgr /ipk FJ82H-XT6CR-J8D7P-XQJJ2-GPDD4
slmgr /ato
slmgr /xpr
Windows Server Standard 2022:
slmgr /skms ipadressofkmsserver
slmgr /ipk VDYBN-27WPP-V4HQT-9VMD4-VMK7H
slmgr /ato
slmgr /xpr
Windows 10 Professional:
slmgr /skms ipadressofkmsserver
slmgr /ipk W269N-WFGWX-YVC9B-4J6C9-T83GX
slmgr /ato
slmgr /xpr
Disclaimer: Make sure you are licensed for it.
