for %a in (4,5,6) do (
if exist "%ProgramFiles%\Microsoft Office\Office1%a\ospp.vbs" (cd /d "%ProgramFiles%\Microsoft Office\Office1%a")
if exist "%ProgramFiles(x86)%\Microsoft Office\Office1%a\ospp.vbs" (cd /d "%ProgramFiles(x86)%\Microsoft Office\Office1%a")
)&cls
cscript ospp.vbs /remhst
cscript ospp.vbs /ckms-domain
cscript //nologo ospp.vbs /inpkey:<KEY>
cscript //nologo ospp.vbs /dinstid > step2.txt
start step2.txt