1 - Your computer probably has something called 'mouse'
which is about as large as a box of cigarette. It also probably has some
buttons on it. If it has only one button, then you are probably using a
Mackingtoschen. If it has more than one, proceed to step 2.
2 - Some portions of the text has lines under them, as
commonly called 'underlined'. Put the mouse on the table, then move it.
You will probably see something that looks like an arrow moving on the
screen. If you do not see anything moving, then you are probably using
dos, or lynx on Unix. In that case, go away and find something better to
do.
3 - By some practice, you will be able to move the arrow
on the 'underlined' text. Press the leftmost button on the mouse.
4 - And the rest will follow.