TeamSpeak 3 (TS3) is a voice-over-IP (VoIP) application for low-latency group voice communication, commonly used by gamers and small-to-medium teams. The 64-bit client runs on 64-bit Windows and Linux systems and can handle many simultaneous audio streams with configurable quality and bandwidth.
TeamSpeak releases patch notes regularly, often for security (CVE fixes regarding packet handling). The 64-bit client does not auto-update by default (privacy reasons). teamspeak 3 client 64 bit
To update:
Never use "portable" versions of 64-bit TeamSpeak found on random forums. They are almost always malware vectors. TeamSpeak 3 (TS3) is a voice-over-IP (VoIP) application
One of the most underrated features of the TeamSpeak 3 Client 64 bit is Identity management. Your Identity is a cryptographic key pair stored locally. Never use "portable" versions of 64-bit TeamSpeak found