Onlyoffice 8.1 install on windows not end

we install onlyoffice 8.1 on windows ,we installed otp_win64_26.2.1,rabbitmq-server-3.12.11,postgresql-x64-12
but install plugins last for several minutes,and keep such ,without ending or report error
just stay here for installing plugins
why ?
where is the log ?
thank you !

hi
can any one help us?

Hello,
Please clarify, what is the version of Windows Server on which you are trying to install Onlyoffice Docs?

Windows 10 education version