Use Options menu to select the scripting language that you are working in. Also, you can select Custom Script Engine and Script Host Properties from this menu.
To turn on this feature, check the Enable Script File Encryption and Password Authentication check box.
You can also choose to enable the Show Password on Status Line When Editing Scripts check box. This is helpful when you are creating and editing many scripts so you don't forget the password.
Refer to Script encryption and password protection for more information.
Refer to Changing the default font for more information.
Refer to Using the speed control for more information.