Run naaf-deviceservice-macos-release-<version>.pkg.
Click the Apple icon in the top-left corner and select System Preferences.
Click the Security & Privacy icon.
Click Open Anyway on the General tab.
Click Continue.
Read and accept the licence agreement.
Select the disk where you want to install Device Service and click Continue.
Click Install.
Specify the root account credentials and click Install Software.
Click Close.