Use the dropdown menu to select the U.S.Extended Keyboard ( ). On the upper right portion of the screen, click on the American flag icon ( ).Open a software application such as a word processor, spread-sheet or any other application in which you need to enter text.Make sure you have activated all the appropriate keyboards following the instructions in the previous section.Click Add to ensure that they keyboard is activated. Extended keyboard is listed under English.
flag) icon on the first row of the Systems Preferences panel. See the Mac Keyboard instructions for activation instructions before Mavericks.