Hey kids! Have you heard of the cool new program for Windows PCs that lets you boot your system in a jiffy and gives you instant-on access to e-mail, IM, and the Web? Yeah, it's called Linux.
That's the basic sales pitch for a new software package called Presto -- though the official verbiage doesn't dare go anywhere near that dirty "Linux" word. On its web site and in its documentation, Presto is positioned simply as a program for Windows. You download it as an .exe file and install it like you would any other application.