Setting up TFAR requires TeamSpeak 3.
How to Install TeamSpeak 3.
How to find your Arma 3 directory:
Open up Steam > Right Click on your Arma 3 > Properties > Select the Local Files tab > Select Browse Local Files..., this will bring you to your Arma 3 Directory.
Now, that you are at your Arma 3 Installation Area.
You can proceed to: !Workshop folder.
How to make your !Workshop folder viewable:
Go to, the top left of your file explorer.
Find: View tab.
Select the: Hidden Items, checkbox.
This will allow you to see the !Workshop folder, and any other hidden folders.
Once inside your !Workshop folder.
Find: @Task Force Arrowhead Radio (BETA!!!) Folder,
Find: teamspeak folder,
Select & Install: task_force_radio.ts3_plugin file.
Once this is complete, you should have TFAR Beta all setup and installed within TeamSpeak 3.