Note what Zara Radio's official website says:
How can I broadcast my station over the Internet?
ZaraStudio is not a program designed for that purpose, but it is a program that automates audio playback. Anyway, it can be used along with other programs to broadcast an Internet station. Some of those programs are OddCast, Butt or WinAmp with the Shoutcast plugin.
If you wish to use Zara Radio for your station, we recommend BUTT encoder as it is easy to use.
This is the official site to download BUTT: https://danielnoethen.de/butt/
To learn how you can use Zara Radio and BUTT encoder together with our free, unlimited streaming, check out our BUTT tutorial.