Click on the Tools menu and select the Account settings option. Then click on the Add button.

This will start a wizard which will guide you through whole procedure.

Step 1. Enter your name in the Name field, and your full email address (username@server.com) in the Email address field, then click on the Next button.

Step 2. Select your server type, set address and login data for incoming mail, then click on the Next button. If you are not sure about your server type and address then you can check it in your mail provider Help area.

Step 3. Set a server address and login data for outgoing mail, then click on the Next button.

Step 4. Enter name for your account then click on the Finish button.