Total Commander

After starting Total Commander, click on "FTP Connect..." in the "Net" menu.

Click on the second button ("New connection...") from the top right of the window that opens, and you will see the options shown in the image below.

The data must be filled in as shown in the image. You can find the FTP details for your site in the Web Hosting Settings.

When connecting to FTP, it is always recommended to use Passive mode.