How to sniff plain-text passwords in 13 steps

The following is an instructional tutorial. I hope to show how easy it is to sniff people's passwords in plain-text form on virtually any wired network. Common applications for this would be on a university, school or otherwise large network. This has only been tested on a Windows machine, but can be used to sniff passwords from any operating system.Step 1: Download, install and run Cain & Abel