#z::

;Sets the delay that's used after each window move/size command (http://www.autohotkey.com/docs/commands/SetWinDelay.htm)
SetWinDelay, 500

;Launch the Explorer window
Run, "C:\Windows"
;Wait half a second for it to show up
Sleep 500
;Restore the active window in case it's maximized (http://www.autohotkey.com/docs/commands/WinRestore.htm)
WinRestore, A
;Move the active window to the top-left (http://www.autohotkey.com/docs/commands/WinMove.htm)
WinMove, A,, 0, 0, 578, 388

;Launch the Explorer window
Run, %USERPROFILE%\Documents
;Wait half a second for it to show up
Sleep 500
;Restore the active window in case it's maximized (http://www.autohotkey.com/docs/commands/WinRestore.htm)
WinRestore, A
;Move the active window to 1px below the previous window (http://www.autohotkey.com/docs/commands/WinMove.htm)
WinMove, A,, 0, 388, 578, 388