The first prerequisite is to install the pcap libraries. I'm using a Windows computer here as our test machine, so I'll install the WinPcap libraries, which are a Windows port of the libpcap libraries originally written for Linux. So what I'll do is go to https://www.winpcap.org/ and download the WinPcap libraries. Once it finishes downloading, I'll go ahead and just click on Next with the installer, and there's no need to customize anything there.
The WinPcap libraries that are installed also come with Wireshark when you download Wireshark as a bundle. And so if you already have Wireshark installed on a system, most likely you already have pcap installed as well.
The next step is to set up a local administrator account which ...
