To Enter Text into an Empty Field
A text field accepts information you type.
Click the field to display the text insertion cursor.
Type the text.
In many dialog boxes, pressing Return completes the text entry and activates the default button, such as OK or Apply.
Press Tab, Shift+Tab, or the arrow keys until you reach the text field.
A blinking cursor indicates that the text field has the keyboard focus.
Type the text, then press Control+Tab to move keyboard focus out of the text field.