cmd come admin

per win 10 prof

slmgr /ipk W269N-WFGWX-YVC9B-4J6C9-T83GX
slmgr /skms 192.168.123.2
slmgr /ato

per office 2016
cd "C:\Program Files\Microsoft Office\Office16"
cscript ospp.vbs /inpkey:XQNVK-8JYDB-WJ9W3-YJ8YR-WFG99
cscript ospp.vbs /sethst:192.168.123.2
cscript ospp.vbs /act

per office 2013
cd \Program Files\Microsoft Office\Office15 
If you are running a 32bit Office on a 64bit Windows, enter:
cd \Program Files (x86)\Microsoft Office\Office15

cscript ospp.vbs /inpkey:YC7DK-G2NP3-2QQC3-J6H88-GVGX
cscript ospp.vbs /sethst:192.168.123.2
cscript ospp.vbs /act

per office 2010
cd \Program Files\Microsoft Office\Office14 
If you are running a 32bit Office on a 64bit Windows, enter
cd \Program Files (x86)\Microsoft Office\Office14

cscript ospp.vbs /inpkey:VYBBJ-TRJPB-QFQRF-QFT4D-H3GVB
cscript ospp.vbs /sethst:192.168.123.2
cscript ospp.vbs /act