Download, Install, and Configure Thunderbird

Open a web browser such as Internet Explorer or Firefox, surf to http://www.mozillamessaging.com/.
Click on the “Download Thunderbird” button.

Click “Save File” or “Run”.

If you clicked “Run” it will automatically download and run. If you clicked “Save”, it will download then ask you to run.

Click “Next”, and follow the prompts.

Agree to the terms of service then click “Next”.

Click “Next”.

Click “Finish”.

Click “Next”.

Fill in your name and your email address.

Select “POP”. Put the incoming server of your email provider. Now put the outgoing server of your email provider.
Click “Next”.

Put your email address as the “Incoming User Name” and “Outgoing User Name”.

Put your email address for the “Account Name”.

Review the settings and click “Finish”.