Pg Dn key
Short for Page Down key, the PGDN, PD, PgDn, or Pg Dn key is a computer keyboard key found between the keyboard and the numeric pad or on the numeric pad number 3 key.
When this key is pressed, if the page currently being viewed has more than one page, the page view will be moved down one page. For example, on this web page or any web page on the Internet if you press the Pg Dn key it scrolls the page down one page or to the end of the page.
Where is the Page Down key on the keyboard?
Below is an overview of a computer keyboard with the Page Down key highlighted in blue on the main keyboard as well as the numeric keypad.
Note: Apple computer keyboards do not have a Page Up key on the numeric keypad.
How to use the Pg Dn key on the keypad
For the number three to work as a page down key instead of typing out the number 3 you must have the Num Lock off.