Well, it's a shot in the dark - but if you got started with Perl the same way I did, then you installed Active Perl.

In that case all you would need to do is type "ppm" at the command prompt, and CTRL+2 will let you view/search the installed Perl modules on your machine.

But, that's just a shot in the dark. A little more commentary next time would yield much more beneficial answers. Or you could try asking a question or two in the chatterbox.