5.9. libpcap/WinPcap (optional)

Libpcap and WinPcap provide that packet capture capabilities that are central to Wireshark’s core functionality.

5.9.1. Unix: libpcap

If this library isn’t already installed or available as a package for your platform, you can get it at http://www.tcpdump.org/.

5.9.2. Win32 MSVC: WinPcap

You can get the "Windows packet capture library" at: https://www.winpcap.org/install/