The setup menu has many options to customize Teraterm to your preference. The submenus include: Terminal, Window, Font, Keyboard, Serial Port, SSH, SSH Authentication, TCP/IP, and General. There are also two other options: Save Setup and Restore Setup. After making any changes in these menus you need to save the changes by pressing Save Setup. Similarly you can restore a set of preferences by choosing Restore Setup. The following is brief rundown of each submenu.

Terminal Menu

Window Menu