Click on a unit, hold control, then press a number. When you press that number again it will select the unit, group of units, or building you previously selected.
Assuming that you mean the function or f keys,these are used by the operating system and by software applications to execute specific tasks. Pressing F1 normally provides a help screen. Some programs allow the user to assign "hot key" functions to them.
hot wire it
helps you combine several keys at the same time or create your own hot keys
Hot Mess - 2009 Keys 1-1 was released on: USA: 31 August 2009
Only on some trigger maps: You hot-key your worker unit, turn off lights (usually with a civilian), and select your worker via the hot-key. You can now stack.
Hot wire it. or go to the manufacturer and get a set of keys made
ALT+I then F
hot wire it
alicia keys is lucky she is famous and she is hot.
no there are hot-keys/shortcuts though
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You don't. You will permanently damage your car.