Obtain the naaf-deviceservice-macos-release-<version>.dmg from Software Licenses and Downloads Portal.
For more information about how to download the installer, see Obtaining the Device Service Installer.
Double click the file naaf-deviceservice-macos-release-<version>.dmg.
The naaf-deviceservice.pkg and uninstall files are displayed.
Double click the file naaf-deviceservice.pkg.
Click Continue.
Read and accept the license agreement.
Select the disk where you want to install Device Service and click Continue.
Click Install.
A prompt to specify the local administrator credentials is displayed.
Specify User name and Password.
Click Install Software.
While installing the Device Service in Mac OS Catalina, the user is prompted with a message "DeviceServiceTool" would like to receive keystrokes from any application. If you use the RF Ideas reader, click Open System Preferences and grant access to this application in Security & Privacy - Privacy preferences. If you don't use RF Ideas reader, click Deny.