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Step 1
Open a web browser and browse to messenger.yahoo.com.
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Step 2
Click the "Download Now" button. You will be brought to a page with another "Download Now" button. Click this as well. Save the file to your desktop.
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Step 3
Double click the saved file, e.g. "msgr9us.exe". Follow the prompts to install the software.
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Step 4
Launch Yahoo! Messenger from the desktop or "Start" menu.
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Step 5
Click "Get a new Yahoo! ID" if you do not have a Yahoo! Messenger screen name already. Fill in your personal information and select a screen name and password. If you already have a screen name, skip this step.
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Step 6
Enter your screen name and password to sign in to Yahoo! Messenger.














