Mở CMD quyền administrator và dán code vào:
set ver=16
if exist "%ProgramFiles%\Microsoft Office\Office%ver%\ospp.vbs" cd /d "%ProgramFiles%\Microsoft Office\Office%ver%"
if exist "%ProgramFiles(x86)%\Microsoft Office\Office%ver%\ospp.vbs" cd /d "%ProgramFiles(x86)%\Microsoft Office\Office%ver%"
for /f %i in ('dir /b ..\root\Licenses16\ProPlus2021PreviewVL_MAK_AE*.xrm-ms') do cscript ospp.vbs /inslic:"..\root\Licenses16\%i"
Cscript ospp.vbs /unpkey
G343
cscript ospp.vbs /inpkey:T3N47-WVHW9-VCT2V-QKP29-P393W
cscript ospp.vbs /act
cscript ospp.vbs /dstatus>info.txt & start info.txt
exit
exit