Wireshark is an open source packet analysis tool developed as a cross-platform application. Wireshark now uses the Qt graphical UI library, which is capable of running on a variety of hardware and software platforms with little or no modification to the underlying code. The three main OS Wireshark supports are Microsoft Windows, Linux, and macOS.

Of all the OS systems today, Windows has the highest market share. The following section outlines support for the Windows OS family.