How to Sign Up for Instant Messaging on Yahoo

Signing up for instant messaging on Yahoo! allows you to connect with others who have Yahoo! accounts in real time, conversing with them through text, voice and video. The service requires a Yahoo! ID. If you do not already have one, go to the Yahoo! website to create a user ID. Enter in the required information and sign up.

Step

Download the Yahoo Instant Messaging software, Yahoo Messenger. Go to the Yahoo Messenger home page and click on "Download Now." Follow the online instructions for installation. There are versions of Yahoo! Messenger for Mac and PC, as well as iPhone, Blackberry and Android mobile devices.

Step

Open Yahoo! Messenger and enter your Yahoo! ID and password to sign in.

Step

Start a conversation with someone by going to the File menu option at the top of the screen. Scroll down to "New Conversation" and put in the username of the person you want to chat with. A window pops up; enter the text you wish to send them. Alternately, choose a name from the Yahoo! Messenger window that shows online friends.

Step

If you don't want to install a program, you can also chat through your browser by signing in to Yahoo! Messenger for the Web.