First, locate the Yahoo! Messenger icon on your desktop or in your applications on your PC. Once the client has launched, enter your screen name in the first field labeled “Yahoo! ID”, then your password in the second field labeled “Password.” Press “Sign-In” to continue.
No Yahoo! ID? No Problem!
If you are a new user, you can sign-up for a free Yahoo! Messenger ID by clicking the link labeled “Get a New Yahoo! ID…” This will allow you to register a new screen name immediately.
Reproduced with permission of Yahoo! Inc. ©2008 Yahoo! Inc. YAHOO! and the YAHOO! logo are registered trademarks of Yahoo! Inc.