Can't install Groove agent one

I have cubase 8.5 and a wanna instal groove agent one.
i downloaded pack from official steinberg page but when i wanna instal it fom vitrual disc i’ve got information that file is error and not unsupported.
please help

did you set the.dll-file already in the right plug-in path of your current plug-in folder in the Plug-In-Manager?