Select download option and the click save

Click save

Double-click the Thunderbird setup icon on your desktop.

Click Run

Click Next

After choosing to NOT import anything. Select Email account then Next.

Type in Your Name and Email Address and click Next.

Select IMAP. Fill in Incoming Server and Outgoing Server. Then click Next

Fill in the boxes with your appropriate information and then select Next.

Name your account and click Next

Click Finish