How do I get yahoo mail to be my default email client for windows?

It doesnt work for vista

How do I get yahoo mail to be my default email client for windows?download ie

To get your free Yahoo mail to work with Vista's Windows Mail or the optional Windows Live Mail (much better) - you need to download YPOPs - http://ypopsemail.com/

Follow the simple instructions in "Configuring Mail Clients" for Outlook Express. Make WM or WLM your default program, and Yahoo Mail your default in it.

To download Windows Live Mail from the official site - http://get.live.com/wlmail/overview

Enjoy trouble-free Yahoo mail.