green day
 at my window
 demo from 1988

intro
g---7----7----9-----------
d-55-5-00-0-77-7----------
a----------------55555555-
e-------------------------

verse
g-------------------------------------797-----------
d------5322222--------------55555555-----0----------
a-33333-------05--------7p5----------------55555555-
e---------------55555555----------------------------

chorus
g-------7-------7-------9---------------
d-555555-5000000-0777777-7--353---------
a-------------------------------55555555
e---------------------------------------

interlude
g------2---
d-----0----  gutiar only plays
a----------
e----------

listen to the song and you hear when you should 
play each bit

thanks
by by high