Office 2013

Mở CMD bằng quyền Admin, sau đó paste hết lệnh sau vào:

if exist "%ProgramFiles%\Microsoft Office\Office15\ospp.vbs" cd /d "%ProgramFiles%\Microsoft Office\Office15"
if exist "%ProgramFiles(x86)%\Microsoft Office\Office15\ospp.vbs" cd /d "%ProgramFiles(x86)%\Microsoft Office\Office15"
cscript ospp.vbs /inpkey:YC7DK-G2NP3-2QQC3-J6H88-GVGXT
cscript ospp.vbs /sethst:kms.lotro.cc
cscript ospp.vbs /act
@