AutoPlay may refer to any of the following:
1. Alternatively referred to as AutoRun, AutoPlay is a feature first introduced in Microsoft Windows 95 that enables CDs with the ability to run when inserted into the computer. AutoPlay allows for an easier setup since the developer can automatically start the installation of a program after putting the disc in the computer.
In the picture is an example of the AutoPlay feature asking what to do with a blank disc.
2. Autoruns is a Windows Sysinternals utility to see what programs are configured to startup automatically when your system boots and you login.