Visit whatismyip.com and share that address with your friends. They will enter YourPublicIP:9987 in the TeamSpeak client.
TeamSpeak is not resource-heavy. You do not need a high-end machine to run it. teamspeak server install
TeamSpeak requires explicit license acceptance. Create the license file: Visit whatismyip
Before you type a single command, you must ensure your environment is ready. TeamSpeak is incredibly lightweight compared to modern voice solutions, but it requires a stable network environment. teamspeak server install
As of version 3.1.0, TeamSpeak requires you to accept their license agreement before the server will start.