Press this

To do this

ALT+D

Select the text in the Address bar

F4

Display the Address bar history

CTRL+LEFT ARROW

When in the Address bar, move the cursor left to the next logical break (. or /)

CTRL+RIGHT ARROW

When in the Address bar, move the cursor right to the next logical break (. or /)

CTRL+ENTER

Add "www." to the beginning and ".com" to the end of the text typed in the Address bar

UP ARROW

Move forward through the list of AutoComplete matches

DOWN ARROW

Move back through the list of AutoComplete matches