How to set up Mozilla Thunderbird?
If you want to add your email account to Mozilla Thunderbird, choose the "File" from the menu (1), click on the "New" button (2) and select the "Existing mail account" option (3).
Enter "Your full name" (1), "Email address" (2), and "Password" (3), then click on the "Continue" button (4). Thunderbird will automatically load the necessary configuration.