you go to create an account or sign up
You go to yahoo homepage then on your right handside their will be a sign that says " sign in " underneath it will say sign up click on it and follow the instructions
social networks example hotmail messenger yahoo ...
Open up the initial application, provide your login information, and click "Sign In"
Yes, you do need a Yahoo e-mail account to obtain a Yahoo ID to sign into messenger.
You have to first have a yahoo mail account and then you download yahoo messenger you can get it at: http://messenger.yahoo.com/ Then, you sign in your yahoo mail username for your messenger username and the same way for you password.
I am trying to sign in on my cell phone and the page wont come up.
Sign in, sign out, and uncheck "Sign in Automatically"
simply :)>-:)
dumb question like the dumb person asking this question
Its a Mcafee firewall problem. I uninstalled Mcafee firewall and my messenger will sign on now.
Open up the initial application, provide your login information, and click "Sign In"