Mở cmd(admin) và dán hết mớ này vào
cscript slmgr.vbs /upk 52c4d79f-6e1a-45b7-b479-36b666e0a2f8
cscript slmgr.vbs /upk 5f472f1e-eb0a-4170-98e2-fb9e7f6ff535
if exist "%ProgramFiles%\Microsoft Office\Office16\ospp.vbs" cd /d "%ProgramFiles%\Microsoft Office\Office16"
if exist "%ProgramFiles(x86)%\Microsoft Office\Office16\ospp.vbs" cd /d "%ProgramFiles(x86)%\Microsoft Office\Office16"
cscript ospp.vbs /remhst
cscript ospp.vbs /ckms-domain
for /f %i in ('dir /b ..\root\Licenses16\ProPlus2019VL_MAK*.xrm-ms') do cscript ospp.vbs /inslic:"..\root\Licenses16\%i"
cscript //nologo ospp.vbs /inpkey:ND3VC-DXK2X-DBQY7-26HVP-6JHQD
cscript //nologo ospp.vbs /act
start winword
exit
exit