Want to sign in as invisible with Yahoo! Messenger? It's oh-so-simple:

1. Click the Windows "Start" button.
2. Select "Programs."
3. Select " Yahoo! Messenger."
4. Enter your ID and password.
5. Enable the "Sign in as invisible" option.
6. Click "Sign In."

If you don't have a Yahoo! ID, click "Get Yahoo! ID" to create a free Yahoo! Account.

Please Note: Your password is encrypted for your safety.