Use Spotlight Search to open the Terminal App. To do this, use the keyboard shortcut 'Command + Spacebar'. You should see the spotlight search field display in the middle of your screen
(as pictured below).
You should see the Terminal application under Top Hit at the top of your results. Double-click it (or press enter) and Terminal will open.
The Terminal Window will open. Copy and paste the green text below into your terminal app and press enter:
You will be prompted to enter your password. Type your password and hit "Enter"
NOTE: You won't see any characters while typing your password so you have to trust yourself while you type. If you enter your password incorrectly, you will get a message that says "Sorry, try again." Just type your password again and click enter (as pictured below).
Once your password is entered and you hit "Enter", you will see the following text appear in the terminal window that completes with a message that the install was successful. Congratulations, you've installed the agent!
Congratulations! You've successfully installed the agent applications (AteraAgent and Splashtop Streamer).