how to use autohotkey code example

Example 1: autohotkey hotkeys

#^!s:: ;This occurs when pressed Windows Button+Control+Alt+s
Send Sincerely,{enter}John Smith  ; This line sends keystrokes to the active (foremost) window.
return

Example 2: autohotkey

toggle = 0
#MaxThreadsPerHotkey 2

F8::
    Toggle := !Toggle
    While Toggle{
        Click
        sleep 100
    }
return